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79-31-2

79-31-2 structure
79-31-2 structure

Name isobutyric acid
Synonyms alpha-methylpropanoicacid
2-Methylpropionic acid
α-methylpropionic acid
iso-C3H7COOH
isobutanoic acid
alpha-methylpropionicacid
Isobutyric acid, synthesis ade
isobutyric acid/2-Methyl propioric acid
Isobutyric acid,2-Methylpropionic acid
dimethylaceticacid
2-Methyl propiori cacid
2-Methylpropionsαure
α-methylpropanoic acid
2-Methylpropanoic acid
Isobutric acid
Isobutanoicacid
acideisobutyrique
2-METHYL PROPANOIC ACID
ISO-BUTYRIC AID
Kyselina isomaselna
Isobutanoic acid
METHYLPROPIONIC ACID
Isopropyl formic acid
Isobutyricacid
Isobuttersαure
kyselinaisomaselna
acidemethyl-2propanoique
aceticacid,dimethyl
2-Methylpropionic acid iso-Butyric acid iso-Butyric acid
Acetic acid, dimethyl
ISOBUTYRIC ACID NATURAL FCC
ISOBUTYRIC ACID FCC
propane-2-cboxylicacid
2-methyl-propanoic acid
Iso butyric acid natural
MFCD00002658
a-methylpropionic acid
RECHEM AL BO 0091
iso-Butyric acid
Dimethylacetic acid
isobutyricacid,2-methylpropanoicacid
ISOBUTYRIC ACID extrapure
ISOPROPYL FORMIC ACID
#niso-Butyric acid
alpha-Methylpropanoic acid
propane-2-carboxylic acid
ISOBUTYRIC ACID 500MG NEAT
a-Methylpropanoic acid
2-propanecboxylicacid
IsopropylforMicacid,DiMethylaceticacid
Isobutyric acid, R
alpha-Methylpropionic acid
Isobutyric acid >=
EINECS 201-195-7
Isobutyric acid . p.a., >=
2-METHYLPROPIONIC ACID
2-methyl-propionic acid
a-Methylpropionic acid
i-Butyricacid
ISOBUTTERSAEURE
4-02-00-00843 (Beilstein Handbook Reference)
Cenex RP b2
2-methyl-propionicaci
isopropylformic acid
dimethyl-aceticaci
iso-Butyric Acid
Density 1.0±0.1 g/cm3
Boiling Point 155.2±8.0 °C at 760 mmHg
Melting Point -47 °C
Molecular Formula C4H8O2
Molecular Weight 88.105
Flash Point 55.6±0.0 °C
Exact Mass 88.052429
PSA 37.30000
LogP 0.59
Vapour density 3.04 (vs air)
Vapour Pressure 1.6±0.6 mmHg at 25°C
Index of Refraction 1.408
Water Solubility 210 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NQ4375000
CHEMICAL NAME :
Isobutyric acid
CAS REGISTRY NUMBER :
79-31-2
BEILSTEIN REFERENCE NO. :
0635770
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C4-H8-O2
MOLECULAR WEIGHT :
88.12
WISWESSER LINE NOTATION :
QVY1&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 :
280 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 :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
500 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 *** REVIEWS *** TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,100,1960 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4110 No. of Facilities: 93 (estimated) No. of Industries: 4 No. of Occupations: 14 No. of Employees: 5052 (estimated) No. of Female Employees: 652 (estimated)
Symbol GHS02 GHS05 GHS06
GHS02, GHS05, GHS06
Signal Word Danger
Hazard Statements H226-H302-H311-H314
Precautionary Statements P210-P260-P280-P303 + P361 + P353-P305 + P351 + P338-P370 + P378
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 R21/22
Safety Phrases S23-S36/37/39
RIDADR UN 2529 3/PG 3
WGK Germany 1
RTECS NQ4375000
Packaging Group III
Hazard Class 3
HS Code 2915600000
HS Code 2915600000
Summary 2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%
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