Isobutane Residual Solvent Standard
Suppliers
Names
[ CAS No. ]:
75-28-5
[ Name ]:
Isobutane Residual Solvent Standard
[Synonym ]:
MFCD00008926
ISOBUTANE
2-Methylpropane
EINECS 200-857-2
Chemical & Physical Properties
[ Density]:
0.6±0.1 g/cm3
[ Boiling Point ]:
-10.5±3.0 °C at 760 mmHg
[ Melting Point ]:
−160 °C(lit.)
[ Molecular Formula ]:
C4H10
[ Molecular Weight ]:
58.122
[ Flash Point ]:
-71.5±10.3 °C
[ Exact Mass ]:
58.078251
[ LogP ]:
2.70
[ Vapour density ]:
2.01 (21 °C, vs air)
[ Vapour Pressure ]:
2575.1±0.0 mmHg at 25°C
[ Index of Refraction ]:
1.352
[ Stability ]:
Stable. Extremely flammable. May form explosive mixtures with air.
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TZ4300000
- CHEMICAL NAME :
- Propane, 2-methyl-
- CAS REGISTRY NUMBER :
- 75-28-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C4-H10
- MOLECULAR WEIGHT :
- 58.14
- WISWESSER LINE NOTATION :
- 1Y1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 57 pph/15M
- TOXIC EFFECTS :
- Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression
- REFERENCE :
- HUTODJ Human Toxicology. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants., RG 21 2XS, UK) V.1- 1981- Volume(issue)/page/year: 1,239,1982
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1041 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 *** REVIEWS *** TOXICOLOGY REVIEW FAZMAE Fortschritte der Arzneimittelforschung. Progress in Drug Research. (Birkhauser Boston, Inc., c/o Springer-Verlag New York, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1959- Volume(issue)/page/year: 18,365,1974 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY:TWA 1000 ppm (2350 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 800 ppm (1900 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 600 ppm (1430 mg/m3);STEL 750 ppm 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 - 81851 No. of Facilities: 118992 (estimated) No. of Industries: 360 No. of Occupations: 199 No. of Employees: 1193478 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81851 No. of Facilities: 110810 (estimated) No. of Industries: 377 No. of Occupations: 233 No. of Employees: 1795168 (estimated) No. of Female Employees: 556159 (estimated)
Safety Information
[ Hazard Codes ]:
F+
[ Risk Phrases ]:
R12
[ Safety Phrases ]:
S9-S16
[ RIDADR ]:
UN 1969 2.1
[ WGK Germany ]:
-
[ RTECS ]:
TZ4300000
[ Hazard Class ]:
2.1
[ HS Code ]:
2901100000
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%