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Name	sec-BUTYLBENZENE	EINECS	205-227-0
CAS No.	135-98-8	Density	0.863
PSA	0.00000	LogP	3.20010
Solubility	0.015 g/L water in water	Melting Point	-75 °C
Formula	C10H14	Boiling Point	173.3 °C at 760 mmHg
Molecular Weight	134.221	Flash Point	52 ºC
Transport Information	UN 2709	Appearance	clear colorless liquid
Safety	23-24/25-45-36/37-16-7	Risk Codes	R10
Molecular Structure		Hazard Symbols	TF
Synonyms	Benzene,sec-butyl- (8CI); (1-Methylpropyl)benzene; (RS)-2-Phenylbutane; (?à)-sec-Butylbenzene; (a-Methylpropyl)benzene;2-Phenylbutane; NSC 8466; sec-Butylbenzene	Article Data	270

sec-BUTYLBENZENE Chemical Properties

Molecular formula : C₁₀H₁₄
Molar mass: 134.22
Appearance: Liquid
Color: clear colorless
Boiling Point: 173 - 174 deg C @ 760 mm Hg
Freezing/Melting Point: -75 deg C
Autoignition Temperature: 415 deg C ( 779.00 deg F)
Solubility in water: 0.015 g/L water
Specific Gravity/Density: 0.8630 g/cm ³
Flash Point: 45 deg C ( 113.00 deg F)
Explosion Limits, lower: 0.80 vol %
Explosion Limits, upper: 6.90 vol %
Stability:Stable under normal temperatures and pressures.
Vapor Pressure: 4 mm Hg @ 37.7 deg C

sec-BUTYLBENZENE Toxicity Data With Reference

1.	skn-rbt 100 mg/24H MOD	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,36.
2.	eye-rbt 500 mg/24H MLD	85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,36.
3.	orl-rat LD50:2240 mg/kg	TXAPA9 Toxicology and Applied Pharmacology. 28 (1974),313.

sec-BUTYLBENZENE Consensus Reports

Reported in EPA TSCA Inventory.

sec-BUTYLBENZENE Safety Profile

Moderately toxic by ingestion. A skin and eye irritant. Flammable liquid when exposed to heat or flame. To fight fire, use foam, CO₂, dry chemical, water spray or mist. Incompatible with oxidizing materials. When heated to decomposition it emits acrid smoke and fumes.

sec-BUTYLBENZENE Standards and Recommendations

DOT Classification: 3; Label: Flammable Liquid

sec-BUTYLBENZENE Specification

Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.
Flammables-area.

FIRST AID MEASURES ：
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Never give anything by mouth to an
unconscious person. Get medical aid.
Inhalation:
Remove from exposure and move to fresh air immediately. If not
breathing, give artificial respiration. If breathing is difficult,
give oxygen. Get medical aid.
Eyes:
Flush eyes with plenty of water for at least 15 minutes,
occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse.
Notes to Physician:
Treat symptomatically and supportively.

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