isoprene

Modify Date: 2025-08-22 07:50:18

isoprene structure	Common Name	isoprene
	CAS Number	78-79-5	Molecular Weight	68.117
	Density	0.68	Boiling Point	34 ºC
	Molecular Formula	C₅H₈	Melting Point	-146 ºC
	MSDS	Chinese USA	Flash Point	-48 ºC
	Symbol	GHS02, GHS08, GHS09	Signal Word	Danger

Name	isoprene
Synonym	More Synonyms

Density	0.68
Boiling Point	34 ºC
Melting Point	-146 ºC
Molecular Formula	C₅H₈
Molecular Weight	68.117
Flash Point	-48 ºC
Exact Mass	68.062599
LogP	2.41
Vapour density	2.35 (vs air)
Vapour Pressure	549.0±0.0 mmHg at 25°C
Index of Refraction	1.400
Water Solubility	0.07 g/100 mL
Freezing Point	-145.96℃

isoprene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NT4037000

CHEMICAL NAME :: Isoprene

CAS REGISTRY NUMBER :: 78-79-5

LAST UPDATED :: 199712

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C5-H8

MOLECULAR WEIGHT :: 68.13

WISWESSER LINE NOTATION :: 1UY1&1U1

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 :: 180 gm/m3/4H

TOXIC EFFECTS :: Behavioral - general anesthetic Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 139 gm/m3/2H

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 157 mg/kg/9W-C

TOXIC EFFECTS :: Behavioral - alteration of classical conditioning

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3400 mg/m3/22W-I

TOXIC EFFECTS :: Brain and Coverings - changes in brain weight Lungs, Thorax, or Respiration - changes in lung weight Kidney, Ureter, Bladder - changes in kidney weight

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3400 mg/m3/17W-I

TOXIC EFFECTS :: Behavioral - changes in psychophysiological tests

TYPE OF TEST :: TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 3400 mg/m3/17W-I

TOXIC EFFECTS :: Behavioral - alteration of classical conditioning Blood - changes in leukocyte (WBC) count

TYPE OF TEST :: Micronucleus test

MUTATION DATA

TEST SYSTEM :: Rodent - mouse

DOSE/DURATION :: 438 ppm/6H/12D (Continuous)

REFERENCE :: MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 3,141,1988 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,215,1994 IARC Cancer Review:Human Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,215,1994 IARC Cancer Review:Group 2B IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 60,215,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-POLAND:TWA 100 mg/m3 JAN 1993 OEL-RUSSIA:STEL 40 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 40940 No. of Facilities: 2278 (estimated) No. of Industries: 36 No. of Occupations: 43 No. of Employees: 58102 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 40940 No. of Facilities: 123 (estimated) No. of Industries: 6 No. of Occupations: 15 No. of Employees: 3703 (estimated) No. of Female Employees: 578 (estimated)

Symbol	GHS02, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H224-H341-H350-H411
Precautionary Statements	P201-P210-P280-P308 + P313-P370 + P378-P403 + P235
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes	F+:Highlyflammable;T:Toxic;
Risk Phrases	R12;R45;R52/53;R68
Safety Phrases	S53-S45-S61
RIDADR	UN 1218 3/PG 1
WGK Germany	1
RTECS	NT4037000
Packaging Group	I
Hazard Class	3
HS Code	4002601000

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HS Code	4002601000

Isoprene emission by poplar is not important for the feeding behaviour of poplar leaf beetles.

BMC Plant Biol. 15 , 165, (2015)

Chrysomela populi (poplar leaf beetle) is a common herbivore in poplar plantations whose infestation causes major economic losses. Because plant volatiles act as infochemicals, we tested whether isopr...

Breath metabolite response to major upper gastrointestinal surgery.

J. Surg. Res. 193(2) , 704-12, (2015)

Esophagectomy and gastrectomy are associated with profound metabolic changes and significant postoperative morbidity. The aim of this prospective clinical study was to determine whether breath analysi...

The Eucalyptus terpene synthase gene family.

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Terpenoids are abundant in the foliage of Eucalyptus, providing the characteristic smell as well as being valuable economically and influencing ecological interactions. Quantitative and qualitative in...

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MFCD00137248

Isoprene

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: isoprene
Price: Check
Purity: 99.5%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: isoprene
Price: ￥248.0/500ml ￥88.0/100ml
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Isoprene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 78-79-5 Isoprene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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isoprene

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