Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Methyl-1-butanol
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Methyl-1-butanol
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Purity: 99.0%
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137-32-6

137-32-6 structure

137-32-6 structure

Name: 2-Methylbutan-1-ol
Chemical Name: 2-methylbutan-1-ol
CAS Number: 137-32-6
Molecular Formula: C₅H₁₂O
Molecular Weight: 88.148
Catalog: Flavors and spices Synthetic spice Alcoholic spice Acyclic aliphatic alcohol
Create Date: 2018-03-10 08:00:00
Modify Date: 2026-07-03 15:36:32

Name	2-methylbutan-1-ol
Synonyms	DL-2-METHYL-1-BUTANOL 2-Methyl-1-Butanol (DL-) (±)-2-methyl-butan-1-ol LAEVO-2-METHYL-1-BUTANOL Bium amidosulfonate DL-sec-Butylcarbinol (Synthetic) L-2-METHYL BUTANOL METHYL-1-BUTANOL, 2-(SG) Sulfamic acid, bium salt (2:1) Active primy amyl alcohol 2-methyl-1-butanol (active amyl alcohol) sec-Butylcbonol 2-methyl-n-butanol 2-Methyl butanol-1 methyl-2-butan-1-ol 3-methyl iso-butanol MFCD00004743 2-methyln-butanol 2-METHYLBUTYL ALCOHOL 2-Methyl-1-but PRIM ACTIVE AMYL ALCOHOL 2-methylbutanol Methyl-1-butanol 2-Methyl-n-butanol CH3CH2CH(CH3)CH2OH 2-Methyl-1-butanol DL-2-Methyl-1-butanol(Synthetic)> DL-SEC-BUTYLCBINOL l-2-methylbutylalcohol 2-methylbutanol-1 L-2-Methyl butanol(natural) sec-Butyl cbinol DL-2-Methyl-1-butanol Primy active amyl alcohol DL-sec-Butylcbinol DL-2-Methyl-1-butanol EINECS 205-289-9 2-Methylbutyl alcohol 1-Butanol,2-methyl (+/-)-2-Methyl-1-butanol >= L(-)-2-METHYL-1-BUTANOL DL-2-Methyl-1-butanol (synthetic) (±)-2-Methyl-1-butanol,sec-Butyl cbinol activrimyamylalcohol METHYL-2-BUTANOL-1 ACTIVE-AMYL ALCOHOL 2-methyl-butan-1-ol alcool2-methylbutylique (±)-2-Methyl-1-butan (±)-2-Methyl-1-butanol PRIMY ACTIVE AMYL ALCOHOL 2-methyl-1-butano Methyl-2-butan-1-ol Amyl alcohol, active 2-METHYL-1-BUTANOL WITH (R,S)-2-Methyl-butan-1-ol 2-Methyl alcohol 2-Methyl-1-butanol,natural 2-METHYL BUTANOL SEC-BUTYL CBINOL 2-Methylbutan-1-ol (2me-4OH) DL-2-Methyl-1-butanol, ML METHYL-1-BUTANOL, 2 2-METHYL-1-BUTANOL

Density	0.8±0.1 g/cm3
Boiling Point	128.7±0.0 °C at 760 mmHg
Melting Point	-70ºC
Molecular Formula	C₅H₁₂O
Molecular Weight	88.148
Flash Point	43.3±0.0 °C
Exact Mass	88.088814
PSA	20.23000
LogP	1.22
Vapour density	3 (vs air)
Vapour Pressure	4.8±0.5 mmHg at 25°C
Index of Refraction	1.405
Water Solubility	3.6 g/100 mL (30 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EL5250000

CHEMICAL NAME :: 1-Butanol, 2-methyl-

CAS REGISTRY NUMBER :: 137-32-6

BEILSTEIN REFERENCE NO. :: 1718810

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C5-H12-O

MOLECULAR WEIGHT :: 88.17

WISWESSER LINE NOTATION :: Q1Y2&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Behavioral - ataxia

REFERENCE :: SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 116,663,1952

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1900 mg/kg

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

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 27,1,1945

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 3540 uL/kg

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

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 2448 mg/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

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H332-H335
Precautionary Statements	P210-P261-P280-P304 + P340 + P312-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	Xn:Harmful
Risk Phrases	R10;R20;R37;R66
Safety Phrases	S46
RIDADR	UN 1105
WGK Germany	3
RTECS	EL5250000
Packaging Group	III
Hazard Class	3
HS Code	29051500

Precursor 10
563-46-2 1629-58-9 124391-75-9 108-64-5
123-91-1 922-63-4 2049-70-9 133-13-1
71-23-8 64-17-5
DownStream 10
3891-98-3 10422-35-2 507-36-8 616-14-8
534-00-9 99032-67-4 503-74-2 64-18-6
78-93-3 67-66-3

HS Code	2905199090
Summary	2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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