2,2-dimethylpropane

Modify Date: 2024-01-03 01:47:11

2,2-dimethylpropane Structure
2,2-dimethylpropane structure
Common Name 2,2-dimethylpropane
CAS Number 463-82-1 Molecular Weight 72.14880
Density 0.649 g/cm3 Boiling Point 7.2ºC at 760 mmHg
Molecular Formula C5H12 Melting Point -19.5ºC
MSDS Chinese Flash Point N/A

 Names

Name neopentane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.649 g/cm3
Boiling Point 7.2ºC at 760 mmHg
Melting Point -19.5ºC
Molecular Formula C5H12
Molecular Weight 72.14880
Exact Mass 72.09390
LogP 2.05240
Vapour Pressure 1420mmHg at 25°C
Index of Refraction 1.37

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TY1190000
CHEMICAL NAME :
Propane, 2,2-dimethyl-
CAS REGISTRY NUMBER :
463-82-1
BEILSTEIN REFERENCE NO. :
1730722
LAST UPDATED :
199710
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C5-H12
MOLECULAR WEIGHT :
72.17
WISWESSER LINE NOTATION :
1X1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1097 gm/m3/2H
TOXIC EFFECTS :
Behavioral - excitement
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: 58,74,1936
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
HINAAU Hindustan Antibiotics Bulletin. (Hindustan Antibiotics, Ltd., Pimpri, Poona, India) V.1- 1958- Volume(issue)/page/year: 10,206,1968 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 500 ppm (1500 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 OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83523 No. of Facilities: 18 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 371 (estimated)

 Safety Information

Hazard Codes F+,N
Risk Phrases 12-51/53
Safety Phrases S9-S16-S33-S61
RIDADR 2044
Hazard Class 2.1
HS Code 2901100000

 Synthetic Route

 Customs

HS Code 2901100000
Summary 2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

2,2-DIMETHYL-4-(5-METHOXY-2-METHYLPHENYL)-4-OXOBUTYRIC ACID
Propane,2,2-dimethyl
EINECS 207-343-7
tert-Pentane
Tetramethylmethane
NEOPENTANE
UN2044
1,1,1-Trimethylethane
neopentylidene
MFCD00039840
2,2-dimethyl-propane
2,2-DIMETHYLPROPANE