(±)-2-Butanol

Modify Date: 2026-07-01 11:30:16

(±)-2-Butanol structure	Common Name	(±)-2-Butanol
	CAS Number	78-92-2	Molecular Weight	74.122
	Density	0.8±0.1 g/cm3	Boiling Point	96.6±3.0 °C at 760 mmHg
	Molecular Formula	C₄H₁₀O	Melting Point	−115 °C(lit.)
	MSDS	Chinese USA	Flash Point	26.7±0.0 °C
	Symbol	GHS02, GHS07	Signal Word	Warning

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	butan-2-ol
Synonym	More Synonyms

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	0.8±0.1 g/cm3
Boiling Point	96.6±3.0 °C at 760 mmHg
Melting Point	−115 °C(lit.)
Molecular Formula	C₄H₁₀O
Molecular Weight	74.122
Flash Point	26.7±0.0 °C
Exact Mass	74.073166
PSA	20.23000
LogP	0.69
Vapour density	2.6 (vs air)
Vapour Pressure	25.2±0.3 mmHg at 25°C
Index of Refraction	1.393
InChIKey	BTANRVKWQNVYAZ-UHFFFAOYSA-N
SMILES	CCC(C)O
Stability	Stable. Flammable. Substances to be avoided include acids, acid chlorides, acid anhydrides, oxidizing agents and halogens.
Water Solubility	12.5 g/100 mL (20 ºc)

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

(±)-2-Butanol MSDS(Chinese)

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EO1750000

CHEMICAL NAME :: sec-Butyl alcohol

CAS REGISTRY NUMBER :: 78-92-2

BEILSTEIN REFERENCE NO. :: 0773649

LAST UPDATED :: 199806

DATA ITEMS CITED :: 42

MOLECULAR FORMULA :: C4-H10-O

MOLECULAR WEIGHT :: 74.14

WISWESSER LINE NOTATION :: QY2&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6480 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16000 ppm/4H

TOXIC EFFECTS :: Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - other changes

REFERENCE :: SHELL* Shell Chemical Company. (P.O. Box 4320, Houston, TX 77210) Volume(issue)/page/year: MSDS-5280-4

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1193 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 138 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 771 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: SCCUR* Shell Chemical Company. Unpublished Report. (2401 Crow Canyon Rd., San Romon, CA 94583) Volume(issue)/page/year: -,2,1961

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 764 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 135,330,1962

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 4893 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - corneal damage Cardiac - pulse rate Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73. For publisher information, see IOHSA5. Volume(issue)/page/year: 41,31,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 277 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 1067 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 1218 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 61,321,1985

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 15 gm/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Behavioral - somnolence (general depressed activity)

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 50,296,1935 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 5000 ppm/7H

SEX/DURATION :: female 1-19 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 12,469,1989

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

DOSE :: 7000 ppm/7H

SEX/DURATION :: female 1-19 day(s) after conception

REFERENCE :: FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 12,469,1989 *** REVIEWS *** ACGIH TLV-TWA (100 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 150 ppm (450 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,32,1971 OSHA PEL (Gen Indu):8H TWA 150 ppm (450 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 150 ppm (450 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 150 ppm (450 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 150 ppm (450 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 100 ppm (305 mg/m3);STEL 150 ppm (455 mg/m3) JAN 1993 OEL-AUSTRIA:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-BELGIUM:TWA 100 ppm (303 mg/m3);STEL 150 ppm (455 mg/m3) JAN 1993 OEL-DENMARK:STEL 50 ppm (150 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 50 ppm (150 mg/m3);STEL 75 ppm (225 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-GERMANY:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-JAPAN:TWA 100 ppm (300 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-RUSSIA:TWA 100 ppm;STEL 10 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 100 ppm (300 mg/m3);STEL 200 ppm (600 mg/m3) JAN 1993 OEL-TURKEY:TWA 150 ppm (450 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 100 ppm (300 mg/m3);STEL 150 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO sec-BUTYL ALCOHOL-air:10H TWA 100 ppm;STEL 150 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 14410 No. of Facilities: 2929 (estimated) No. of Industries: 59 No. of Occupations: 47 No. of Employees: 42853 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 14410 No. of Facilities: 5896 (estimated) No. of Industries: 97 No. of Occupations: 72 No. of Employees: 126196 (estimated) No. of Female Employees: 36723 (estimated)

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H319-H335-H336
Precautionary Statements	P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P235
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant
Risk Phrases	R10;R36/37;R67
Safety Phrases	S13-S24/25-S26-S46-S7/9
RIDADR	UN 1120 3/PG 3
WGK Germany	1
RTECS	EO1750000
Packaging Group	II
Hazard Class	3
HS Code	2905142000

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor 10
CAS#:75-65-0 tert-Butanol CAS#:106-98-9 1-Butene CAS#:78-93-3 2-Butanone CAS#:2028-63-9 3-Butyn-2-ol
CAS#:108-20-3 Isopropyl ether CAS#:598-32-3 3-Buten-2-ol CAS#:624-64-6 2-butene CAS#:3068-88-0 butyrolactone
CAS#:674-82-8 Diketene CAS#:106-97-8 n-Butane
DownStream 9
CAS#:112032-50-5 butan-2-yl 3-me... CAS#:3852-09-3 Methyl 3-methox... CAS#:2998-08-5 Acrylic acid, s... CAS#:112032-51-6 3-sec-butoxy-pr...
CAS#:109892-46-8 SEC-BUTYL 3-MET... CAS#:4221-99-2 (S)-(+)-2-Butanol CAS#:14898-79-4 (R)-(-)-2-Butanol CAS#:78-93-3 2-Butanone
CAS#:144371-52-8 R-2-butyl β-D-g...

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code	2905142000
Summary	HS: 2905142000. butan-2-ol. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tarrif:5.5%. general tariff:30.0%

This table lists relevant public references with title, journal and publication metadata for this compound.

Acidogenic fermentation of Scenedesmus sp.-AMDD: Comparison of volatile fatty acids yields between mesophilic and thermophilic conditions.

Bioresour. Technol. 200 , 624-30, (2015)

This study compared the acidogenic fermentation of Scenedesmus sp.-AMDD at laboratory-scale, under mesophilic (35°C) and thermophilic conditions (55°C). Preliminary batch tests were performed to evalu...

Engineered Nanostructures of Haptens Lead to Unexpected Formation of Membrane Nanotubes Connecting Rat Basophilic Leukemia Cells.

ACS Nano 9 , 6738-46, (2015)

A recent finding reports that co-stimulation of the high-affinity immunoglobulin E (IgE) receptor (FcεRI) and the chemokine receptor 1 (CCR1) triggered formation of membrane nanotubes among bone-marro...

Convenient QSAR model for predicting the complexation of structurally diverse compounds with β-cyclodextrins

Bioorg. Med. Chem. 17 , 896-904, (2009)

This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoret...

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

(±)-2-butanol

DL-Butan-2-ol

1-methyl-1-propanol

DL-METHYLETHYLCARBINOL

butanol

dl-sec-Butanol

methyl-2-propanol

SEC-BUTYL ALCOHOL

3-Methylthiocrotonic acid,S-sec-butyl ester

sec-Butyl S-senecthioate

2-Butanol

Butan-2-ol

S-sec-Butyl 3-methyl-2-butenethioate

rac-2-butanol

EINECS 201-158-5

MFCD00004569

±-2-Butanol

sec-Butanol

sec-Butyl 3-methyl-2-butenethioate

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular weight of butan-2-ol?

A: Molecular weight of butan-2-ol is 74.122.

Q: What English synonyms does butan-2-ol have?

A: English synonyms of butan-2-ol: (±)-2-butanol, DL-Butan-2-ol, 1-methyl-1-propanol, DL-METHYLETHYLCARBINOL, butanol, dl-sec-Butanol, methyl-2-propanol, SEC-BUTYL ALCOHOL, 3-Methylthiocrotonic acid,S-sec-butyl ester, sec-Butyl S-senecthioate, 2-Butanol, Butan-2-ol, S-sec-Butyl 3-methyl-2-butenethioate, rac-2-butanol, EINECS 201-158-5, MFCD00004569, ±-2-Butanol, sec-Butanol, sec-Butyl 3-methyl-2-butenethioate.

Q: How is the water solubility of butan-2-ol?

A: Water solubility of butan-2-ol: 12.5 g/100 mL (20 ºc).

Q: What is the SMILES notation of butan-2-ol?

A: SMILES notation of butan-2-ol is CCC(C)O.

Q: What is the CAS number of butan-2-ol?

A: CAS number of butan-2-ol is 78-92-2.

Q: What is the safety information for butan-2-ol?

A: Safety information for butan-2-ol: S13-S24/25-S26-S46-S7/9.

Q: What is the melting point of butan-2-ol?

A: Melting point of butan-2-ol is −115 °C(lit.).

Q: What are the upstream materials of butan-2-ol?

A: Related upstream materials(CAS) of butan-2-ol: 75-65-0;106-98-9;78-93-3;2028-63-9;108-20-3;598-32-3;624-64-6;3068-88-0;674-82-8;106-97-8.

Q: What is the boiling point of butan-2-ol?

A: Boiling point of butan-2-ol is 96.6±3.0 °C at 760 mmHg.

Q: What are the downstream products of butan-2-ol?

A: Related downstream products(CAS) of butan-2-ol: 112032-50-5;3852-09-3;2998-08-5;112032-51-6;109892-46-8;4221-99-2;14898-79-4;78-93-3;144371-52-8.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

Henan Tianfu Chemical Co., Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (±)-2-Butanol
Price: Check
Purity: 99.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: sec-Butanol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Butanol
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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(±)-2-Butanol

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

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Precursor & DownStream

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Articles42

Synonyms

(±)-2-Butanol | FAQ

(±)-2-Butanolfactory

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.