n-Butyl lactate

Modify Date: 2026-07-01 17:54:51

n-Butyl lactate Structure
n-Butyl lactate structure
 Common Name n-Butyl lactate
CAS Number 138-22-7 Molecular Weight 146.184
Density 1.0±0.1 g/cm3 Boiling Point 189.4±8.0 °C at 760 mmHg
Molecular Formula C7H14O3 Melting Point −28 °C(lit.)
MSDS Chinese USA Flash Point 69.4±0.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

Summary: Butyl lactate, also known as n-Butyl lactate, has a molecular formula of C7H14O3 and a molecular weight of 146.184. CAS number: 138-22-7. It is a transparent colorless liquid with a mild odor, melting at -28°C and boiling at 189.4±8.0°C, with a density of 1.0±0.1g/cm3. It is used as a solvent, in paint and ink formulation, pharmaceutical raw material, pesticide intermediate, and food flavoring. For research-use only, not for medical or clinical usage.

 Names

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

Name Butyl lactate
Synonym More Synonyms

 Chemical & Physical Properties

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

Density 1.0±0.1 g/cm3
Boiling Point 189.4±8.0 °C at 760 mmHg
Melting Point −28 °C(lit.)
Molecular Formula C7H14O3
Molecular Weight 146.184
Flash Point 69.4±0.0 °C
Exact Mass 146.094299
PSA 46.53000
LogP 0.88
Vapour density 5.04 (vs air)
Vapour Pressure 0.2±0.8 mmHg at 25°C
Index of Refraction 1.432
InChIKey MRABAEUHTLLEML-UHFFFAOYSA-N
SMILES CCCCOC(=O)C(C)O
Water Solubility 42 g/L (25 ºC)

 MSDS

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

 Toxicological Information

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

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OD4025000
CHEMICAL NAME :
Lactic acid, butyl ester
CAS REGISTRY NUMBER :
138-22-7
BEILSTEIN REFERENCE NO. :
1721597
LAST UPDATED :
199712
DATA ITEMS CITED :
21
MOLECULAR FORMULA :
C7-H14-O3
MOLECULAR WEIGHT :
146.21
WISWESSER LINE NOTATION :
QY1&VO4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
12 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NPIRI* Raw Material Data Handbook, Vol.1: Organic Solvents, 1974. (National Assoc. of Printing Ink Research Institute, Francis McDonald Sinclair Memorial Laboratory, Lehigh Univ., Bethlehem, PA 18015) Volume(issue)/page/year: 1,15,1974
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
11 gm/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,727,1979 *** REVIEWS *** ACGIH TLV-TWA 30 mg/m3 (5 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 1 ppm (5 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: 3,33,1971 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-BELGIUM:TWA 5 ppm (30 mg/m3) JAN 1993 OEL-DENMARK:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-FINLAND:TWA 1 ppm (6 mg/m3);STEL 3 ppm (18 mg/m3) JAN 1993 OEL-FRANCE:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (30 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (25 mg/m3) 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 n-BUTYL LACTATE-air:10H TWA 5 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 - M1128 No. of Facilities: 242 (estimated) No. of Industries: 8 No. of Occupations: 10 No. of Employees: 3107 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1128 No. of Facilities: 170 (estimated) No. of Industries: 9 No. of Occupations: 15 No. of Employees: 5342 (estimated) No. of Female Employees: 1381 (estimated)

 Safety Information

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

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
WGK Germany 2
RTECS OD4025000
Packaging Group I; II; III
HS Code 2918110000

 Synthetic Route

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

 Customs

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

HS Code 2918110000
Summary 2918110000. lactic acid, its salts and esters. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles8

More Articles

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

An insight on human skin penetration of diflunisal: lipogel versus hydrogel microemulsion.

Drug Dev. Ind. Pharm. 41(1) , 141-7, (2014)

Diflunisal is a NSAID used in acute and long term management of pain and inflammation associated with osteoarthritis, rheumatoid arthritis and symptoms of primary dysmenorrhea. However, its oral use i...

Optimization, ex vivo permeation, and stability study of lipid nanocarrier loaded gelatin capsules for treatment of intermittent claudication.

Int. J. Nanomedicine 10 , 4459-78, (2015)

In this study, an optimized nanodispersible oral dosage form (containing a lactate ester) was developed for cilostazol (CZL). CZL is a phosphodiesterase inhibitor used for intermittent claudication. W...

Preparation of solid lipid nanoparticles by a solvent emulsification-diffusion technique.

Int. J. Pharm. 257(1-2) , 153-60, (2003)

A preparation method for nanoparticles based on the emulsification of a butyl lactate or benzyl alcohol solution of a solid lipid in an aqueous solution of different emulsifiers, followed by dilution ...

 Synonyms

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

Propanoic acid, 2-hydroxy-, butyl ester
UNII:0UI63W814U
MFCD00004519
n-Butyl lactate
Lactic Acid Butyl Ester
Butyl 2-hydroxypropanoate
EINECS 205-316-4
Butyl 2-Hydroxypropionate
Butyl Lactate

 n-Butyl lactate | FAQ

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

Q: What are the downstream products of Butyl lactate?
A: Related downstream products(CAS) of Butyl lactate: 34451-19-9;791103-06-5;547-64-8;75-07-0;79-10-7;141-32-2;13544-80-4;20279-44-1;7153-03-9;5420-76-8.
Q: What is the molecular formula of Butyl lactate?
A: Molecular formula of Butyl lactate is C7H14O3.
Q: What is the LogP of Butyl lactate?
A: LogP of Butyl lactate is 0.88.
Q: What is the melting point of Butyl lactate?
A: Melting point of Butyl lactate is −28 °C(lit.).
Q: What are the upstream materials of Butyl lactate?
A: Related upstream materials(CAS) of Butyl lactate: 515-98-0;71-36-3;849585-22-4;97-64-3;617-51-6;62147-49-3;96-26-4;56-82-6;78-98-8;10326-41-7.
Q: What is the SMILES notation of Butyl lactate?
A: SMILES notation of Butyl lactate is CCCCOC(=O)C(C)O.
Q: What is the English name of Butyl lactate?
A: The English name of Butyl lactate is Butyl lactate.
Q: What is the polar surface area (PSA) of Butyl lactate?
A: Polar surface area (PSA) of Butyl lactate is 46.53000.
Q: What is the molecular weight of Butyl lactate?
A: Molecular weight of Butyl lactate is 146.184.
Q: How is the water solubility of Butyl lactate?
A: Water solubility of Butyl lactate: 42 g/L (25 ºC).

 n-Butyl lactatefactory

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.
Zhongshan Xingrui Chemical Co. , Ltd.
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Chemsrc provides n-Butyl lactate(CAS#:138-22-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of n-Butyl lactate are included as well.>> amp version: n-Butyl lactate

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