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75-98-9

75-98-9 structure
75-98-9 structure

Name pivalic acid
Synonyms tert-Pentanoic acid
a,a-Dimethylpropionic Acid
Propanoic acid,2,2-dimethyl
2,2-dimethylpropionic acid
EINECS 200-922-5
Acetic acid,trimethyl
MFCD00004194
trimethyl-acetic acid
Propanoic acid, 2,2-dimethyl-
2,2-Dimethylpropanoic acid
Neopentanoic acid
Pivalic acid
trimethylacetic acid
2,2,2-trimethylacetic acid
2, 2-Dimethylpropanoic acid
Density 0.905
Boiling Point 163-164 ºC
Melting Point 32-35 °C(lit.)
Molecular Formula C5H10O2
Molecular Weight 102.132
Flash Point 63 ºC
Exact Mass 102.068077
PSA 37.30000
LogP 0.94
Vapour density 3.6 (vs air)
Vapour Pressure 0.9±0.6 mmHg at 25°C
Index of Refraction 1.420
Storage condition 2-8°C
Water Solubility 25 g/L (20 ºC)

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TO7700000
CHEMICAL NAME :
Pivalic acid
CAS REGISTRY NUMBER :
75-98-9
BEILSTEIN REFERENCE NO. :
0969480
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C5-H10-O2
MOLECULAR WEIGHT :
102.15
WISWESSER LINE NOTATION :
QVX1&1&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 :
900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
37ASAA "Kirk-Othmer Encyclopedia of Chemical Technology," 3rd ed., Grayson, M., and D. Eckroth, eds., New York, John Wiley & Sons, Inc., 1978 Volume(issue)/page/year: 4,863,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
37ASAA "Kirk-Othmer Encyclopedia of Chemical Technology," 3rd ed., Grayson, M., and D. Eckroth, eds., New York, John Wiley & Sons, Inc., 1978 Volume(issue)/page/year: 4,863,1978 ** TUMORIGENIC DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
188 mg/kg/47W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Skin and Appendages - tumors
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 17,61,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1178 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 1683 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1178 No. of Facilities: 16 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1462 (estimated) No. of Female Employees: 996 (estimated)
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302 + H312-H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive
Risk Phrases R21/22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 1
RTECS TO7700000
Packaging Group II
Hazard Class 8
HS Code 2915600000
HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%