2,2-Dimethylbutane manufacturers and suppliers

2,2-Dimethylbutane suppliers

Properties

Melting point:: −100 °C(lit.)

Boiling point:: 50 °C(lit.)

Density: 0.649 g/mL at 25 °C(lit.)

vapor density: 2.97 (vs air)

vapor pressure: 5.35 psi ( 20 °C)

refractive index: n20/D 1.369(lit.)

Flash point:: <−30 °F

storage temp.: Flammables area

solubility: In methanol: 590 and 800 g/L at 5 and 10 °C, respectively. Miscible at higher temperatures (Kiser et al., 1961). Miscible with other aliphatic hydrocarbons, e.g., pentane, hexane, heptane, etc.

pka: >14 (Schwarzenbach et al., 1993)

form: Liquid

color: Clear colorless to slightly yellow

Odor Threshold: 20ppm

explosive limit: ~7.7%

Water Solubility: insoluble

BRN: 1730736

Henry's Law Constant: 1.69(atm?m³/mol) at 25 °C (Mackay and Shiu, 1981)

Exposure limits: ACGIH TLV: TWA and STEL for all isomers except n-hexane are 500 and 1,000 ppm, respectively (adopted).

Dielectric constant: 1.8700000000000001

Stability:: Stable, but may be moisture sensitive. Highly flammable. Incompatible with strong oxidizing agents.

CAS DataBase Reference: 75-83-2(CAS DataBase Reference)

NIST Chemistry Reference: Butane, 2,2-dimethyl-(75-83-2)

EPA Substance Registry System: 2,2-Dimethylbutane (75-83-2)

Safety Information

Symbol(GHS): GHS02,GHS07,GHS08,GHS09

Signal word: Danger

Hazard statements: H225-H304-H315-H336-H411

Precautionary statements: P210-P233-P273-P301+P310-P303+P361+P353-P331

Hazard Codes: F,Xn,N

Risk Statements: 11-38-51/53-65-67

Safety Statements: 9-16-29-33-61-62

RIDADR: UN 1208 3/PG 2

OEB: A

OEL: TWA: 100.0 ppm; 350.0 mg/m3, STEL: 510.0 ppm; 1800.0 mg/m3

WGK Germany: 3

RTECS: EJ9300000

Autoignition Temperature: 797 °F

HazardClass: 3

PackingGroup: II

HS Code: 29011000

Hazardous Substances Data: 75-83-2(Hazardous Substances Data)

Toxicity: Reported as an impurity (0.2 wt %) in 99.0–99.7 wt % 2,3-dimethylbutane (Chevron Phillips, 2004).

Use

2,2-Dimethylbutane is an acyclic alkane. Its Research Octane Number (RON) has been reported to be 91.8. It is used to Component of high-octane motor and aviation fuels, intermediate for agricultural chemicals.

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