4-Methylstyrene

Modify Date: 2025-08-20 17:20:15

4-Methylstyrene structure	Common Name	4-Methylstyrene
	CAS Number	622-97-9	Molecular Weight	118.17600
	Density	0.897 g/mL at 25 °C(lit.)	Boiling Point	170-175 °C(lit.)
	Molecular Formula	C₉H₁₀	Melting Point	-34 °C
	MSDS	Chinese USA	Flash Point	114 °F
	Symbol	GHS02, GHS07, GHS08	Signal Word	Danger

Name	4-Methylstyrene
Synonym	More Synonyms

Density	0.897 g/mL at 25 °C(lit.)
Boiling Point	170-175 °C(lit.)
Melting Point	-34 °C
Molecular Formula	C₉H₁₀
Molecular Weight	118.17600
Flash Point	114 °F
Exact Mass	118.07800
LogP	2.63800
Vapour Pressure	<1 mm Hg ( 20 °C)
Index of Refraction	n20/D 1.542(lit.)
InChIKey	JLBJTVDPSNHSKJ-UHFFFAOYSA-N
SMILES	C=Cc1ccc(C)cc1

4-Methylstyrene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL5076000

CHEMICAL NAME :: Styrene, p-methyl-

CAS REGISTRY NUMBER :: 622-97-9

BEILSTEIN REFERENCE NO. :: 1209317

LAST UPDATED :: 199710

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C9-H10

MOLECULAR WEIGHT :: 118.19

WISWESSER LINE NOTATION :: 1U1R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2255 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2324 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1072 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 581 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 280 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - other changes

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Gastrointestinal - nausea or vomiting Gastrointestinal - changes in structure or function of salivary glands Behavioral - tremor

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >5 mL/kg

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 330 umol/L

REFERENCE :: CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 2,237,1981 *** REVIEWS *** 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: 60,373,1994 IARC Cancer Review:Animal LACK CARCINOGENICITY 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: 60,373,1994 IARC Cancer Review:Group 3 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: 60,373,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2573 No. of Facilities: 460 (estimated) No. of Industries: 7 No. of Occupations: 10 No. of Employees: 5274 (estimated) No. of Female Employees: 377 (estimated)

Symbol	GHS02, GHS07, GHS08
Signal Word	Danger
Hazard Statements	H226-H304-H315-H319-H335
Precautionary Statements	P261-P301 + P310-P305 + P351 + P338-P331
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn: Harmful;
Risk Phrases	R10
Safety Phrases	S26-S36-S62
RIDADR	UN 2618 3/PG 3
WGK Germany	3
RTECS	WL5076000
Packaging Group	III
Hazard Class	3
HS Code	29029050

Precursor 10
CAS#:624-31-7 4-Iodotoluene CAS#:754-05-2 Vinyltrimethylsilane CAS#:1112-55-6 Tetravinylsilane CAS#:108-05-4 vinyl acetate
CAS#:106-38-7 4-Bromotoluene CAS#:7486-35-3 (6-Butyl-5-dece... CAS#:13107-39-6 4-vinyltoluene oxide CAS#:33458-08-1 1-(1,2-dibromoe...
CAS#:54509-73-8 ethene CAS#:106-43-4 4-Chlorotoluene
DownStream 10
CAS#:1075-47-4 BENZENEACETALDE... CAS#:1669-50-7 3-(4-METHYLPHEN... CAS#:107271-15-8 2-(4-methylphen... CAS#:106358-37-6 1,2,3,4,5-penta...
CAS#:49742-56-5 Methyl 4'-methy... CAS#:33596-66-6 2-(4'-methylphe... CAS#:5337-93-9 4-Methylpropiop... CAS#:145585-62-2 (4-ethenylpheny...
CAS#:14182-63-9 Ethanethione,2-... CAS#:948-03-8 METHYL 1-HYDROX...

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Mercapturic acid metabolites from 2-, 3-, and 4-ethenyl-methylbenzenes in the rat.

Xenobiotica 14(5) , 417-28, (1984)

N-Acetyl-L-cysteine was reacted with 2-(2-, 3-, or 4-methylphenyl)-oxiranes to give mixtures of the two possible regio isomers N-acetyl-S-[1-(2-, 3-, or 4-methylphenyl)-2-hydroxyethyl]-L-cysteine and ...

Synthesis and study of cationic, two-coordinate triphenylphosphine-gold-π complexes.

Chemistry 19(25) , 8276-84, (2013)

Cationic, two-coordinate triphenylphosphine-gold(I)-π complexes of the form [(PPh₃)Au(π ligand)]⁺SbF₆⁻ (π ligand=4-methylstyrene, 1∙SbF₆), 2-methyl-2-butene (3∙SbF₆), 3-hexyne (6∙SbF₆), 1,3-cyclohexad...

Origin of threefold symmetric torsional potential of methyl group in 4-methylstyrene.

J. Chem. Phys. 124(14) , 144316, (2006)

To understand the effect of the para position vinyl group substitution in toluene on methyl torsion, we investigated 4-methylstyrene, a benchmark molecule with an extended pi conjugation. The assignme...

1-ethenyl-4-methylbenzene

EINECS 210-762-8

MFCD00008621

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Methylstyrene
Price: Check
Purity: 96.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Methylstyrene
Price: ￥448.0/100ml ￥148.0/25ml
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Methylstyrene
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: 4-Methylstyrene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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4-Methylstyrene

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