isopentane
Names
[ CAS No. ]:
78-78-4
[ Name ]:
isopentane
[Synonym ]:
Isopentan
iso-C5H12
JJDW
MFCD00009338
ISOPROPENTANE
methylbutane
2-methyl-butane
iso-pentane
Isoamylhydride
2-Methylbutane
2-methyl-butan
EINECS 201-142-8
1,1-dimethylpropane
Chemical & Physical Properties
[ Density]:
0.62 g/mL at 25 °C(lit.)
[ Boiling Point ]:
30 °C(lit.)
[ Melting Point ]:
-160 °C
[ Molecular Formula ]:
C5H12
[ Molecular Weight ]:
72.14880
[ Flash Point ]:
−51 °C
[ Exact Mass ]:
72.09390
[ LogP ]:
2.05240
[ Vapour density ]:
2.6 (vs air)
[ Vapour Pressure ]:
11.17 psi ( 20 °C)
[ Index of Refraction ]:
n20/D 1.354(lit.)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EK4430000
- CHEMICAL NAME :
- Butane, 2-methyl-
- CAS REGISTRY NUMBER :
- 78-78-4
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 10
- MOLECULAR FORMULA :
- C5-H12
- MOLECULAR WEIGHT :
- 72.17
- WISWESSER LINE NOTATION :
- 2Y1&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 :
- 419 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 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 10 gm/kg/4W-I
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- REFERENCE :
- TIHEEC Toxicology and Industrial Health. (Princeton Scientific Pub. Co., POB 2155, Princeton, NJ 08540) V.1- 1985- Volume(issue)/page/year: 1(3),67,1985 *** 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 - 54246 No. of Facilities: 197 (estimated) No. of Industries: 6 No. of Occupations: 9 No. of Employees: 21748 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 54246 No. of Facilities: 132 (estimated) No. of Industries: 5 No. of Occupations: 13 No. of Employees: 6605 (estimated) No. of Female Employees: 1247 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS07, GHS08, GHS09
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H224-H304-H336-H411
[ Supplemental HS ]:
Repeated exposure may cause skin dryness or cracking.
[ Precautionary Statements ]:
P210-P261-P273-P301 + P310-P331
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R12;R51/53;R65;R66;R67
[ Safety Phrases ]:
S9-S16-S29-S33-S61-S62
[ RIDADR ]:
UN 1265 3/PG 1
[ WGK Germany ]:
2
[ RTECS ]:
EK4430000
[ Packaging Group ]:
I
[ Hazard Class ]:
3
[ 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%
Articles
Learn. Mem. 21(11) , 606-15, (2014)
Conditioned stimuli (CS) can modulate reward-seeking behavior. This modulatory effect can be maladaptive and has been implicated in excessive reward seeking and relapse to drug addiction. We previousl...
Ca(2+) permeation and/or binding to CaV1.1 fine-tunes skeletal muscle Ca(2+) signaling to sustain muscle function.Skelet. Muscle 5 , 4, (2015)
Ca(2+) influx through CaV1.1 is not required for skeletal muscle excitation-contraction coupling, but whether Ca(2+) permeation through CaV1.1 during sustained muscle activity plays a functional role ...
Increasing mitochondrial muscle fatty acid oxidation induces skeletal muscle remodeling toward an oxidative phenotype.FASEB J. 29 , 2473-83, (2015)
Adult skeletal muscle is a dynamic, remarkably plastic tissue, which allows myofibers to switch from fast/glycolytic to slow/oxidative types and to increase mitochondrial fatty acid oxidation (mFAO) c...