Ethyl α-hydroxyisobutyrate

Modify Date: 2025-08-20 10:46:44

Ethyl α-hydroxyisobutyrate structure	Common Name	Ethyl α-hydroxyisobutyrate
	CAS Number	80-55-7	Molecular Weight	132.158
	Density	1.0±0.1 g/cm3	Boiling Point	152.1±8.0 °C at 760 mmHg
	Molecular Formula	C₆H₁₂O₃	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	44.4±0.0 °C
	Symbol	GHS02, GHS07	Signal Word	Warning

Name	Ethyl 2-Hydroxyisobutyrate
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	152.1±8.0 °C at 760 mmHg
Molecular Formula	C₆H₁₂O₃
Molecular Weight	132.158
Flash Point	44.4±0.0 °C
Exact Mass	132.078644
PSA	46.53000
LogP	0.16
Vapour Pressure	1.3±0.6 mmHg at 25°C
Index of Refraction	1.428

Ethyl α-hydroxyisobutyrate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OD5672000

CHEMICAL NAME :: Lactic acid, 2-methyl-, ethyl ester

CAS REGISTRY NUMBER :: 80-55-7

BEILSTEIN REFERENCE NO. :: 0878308

LAST UPDATED :: 199710

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C6-H12-O3

MOLECULAR WEIGHT :: 132.18

WISWESSER LINE NOTATION :: QX1&1&VO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intramuscular

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 2200 mg/kg

TOXIC EFFECTS :: Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 76,189,1942 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7053 No. of Facilities: 17 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 919 (estimated) No. of Female Employees: 306 (estimated)

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
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;R36/38
Safety Phrases	S26-S36-S16
RIDADR	UN 3272 3/PG 3
WGK Germany	3
RTECS	OD5672000
Packaging Group	III
Hazard Class	3
HS Code	29181980

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Detail

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Precursor 10
CAS#:1243055-35-7 ethyl 2-(methox... CAS#:600-00-0 Ethyl 2-bromois... CAS#:50-00-0 Formaldehyde CAS#:64-17-5 Ethanol
CAS#:594-61-6 2-Hydroxyisobut... CAS#:17288-15-2 H-Aib-Oet.HCl CAS#:24173-45-3 2-methyl-2-(10-... CAS#:75-86-5 Acetone cyanohydrin
CAS#:95-92-1 Diethyloxalate CAS#:75-03-6 Ethyl iodide
DownStream 10
CAS#:1068-81-1 2-methylheptane... CAS#:55816-69-8 Ethyl 2-fluoro-... CAS#:97-63-2 Ethyl methacrylate CAS#:605680-62-4 2-METHYL-2-(5-(...
CAS#:18069-17-5 (2R)-2-Methylpe... CAS#:21127-99-1 ethyl 2-methoxy... CAS#:18672-04-3 Ethyl 2-methyl-... CAS#:122-79-2 phenyl acetate
CAS#:79-41-4 Methacrylic acid CAS#:594-61-6 2-Hydroxyisobut...

HS Code	2918199090
Summary	2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%