o-Cymene

Modify Date: 2025-08-27 19:22:50

o-Cymene structure	Common Name	o-Cymene
	CAS Number	527-84-4	Molecular Weight	134.218
	Density	0.9±0.1 g/cm3	Boiling Point	178.1±0.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₄	Melting Point	−72-−71 °C(lit.)
	MSDS	N/A	Flash Point	50.6±0.0 °C

Name	1-methyl-2-propan-2-ylbenzene
Synonym	More Synonyms

Density	0.9±0.1 g/cm3
Boiling Point	178.1±0.0 °C at 760 mmHg
Melting Point	−72-−71 °C(lit.)
Molecular Formula	C₁₀H₁₄
Molecular Weight	134.218
Flash Point	50.6±0.0 °C
Exact Mass	134.109543
LogP	4.02
Vapour Pressure	1.4±0.1 mmHg at 25°C
Index of Refraction	1.493

o-Cymene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DA6127300

CHEMICAL NAME :: Benzene, 1-methyl-2-(1-methylethyl)-

CAS REGISTRY NUMBER :: 527-84-4

BEILSTEIN REFERENCE NO. :: 1850838

LAST UPDATED :: 199710

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C10-H14

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 :: 2130 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2024 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985

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

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 10300 mg/m3

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1315 mg/kg

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

REFERENCE :: GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 29(3),49,1985

Risk Phrases	R10
Safety Phrases	S23-S24/25
RIDADR	UN 2046 3/PG 3
WGK Germany	2
RTECS	DA6127300
Packaging Group	III
Hazard Class	3.2
HS Code	2902909090

Precursor 10
CAS#:31689-42-6 2-methyl-1-prop... CAS#:7399-49-7 o-Isopropenyltoluene CAS#:108-88-3 Toluene CAS#:75-26-3 2-Bromopropane
CAS#:75-29-6 2-Chloropropane CAS#:7572-79-4 2-(2-methylphen... CAS#:75-19-4 cyclopropane CAS#:74-98-6 Propane Residua...
CAS#:4755-33-3 Pinane CAS#:187737-37-7 propene
DownStream 9
CAS#:101580-70-5 1,2-Dibromo-4-m... CAS#:7572-79-4 2-(2-methylphen... CAS#:21190-34-1 (2-ISOPROPYLPHE... CAS#:464-72-2 Benzopinacole
CAS#:118893-14-4 2-methyl-1,1-di... CAS#:118893-13-3 2-(2-isopropylp... CAS#:87-83-2 2,3,4,5,6-PENTA... CAS#:854403-37-5 1,2,3-tribromo-...
CAS#:88-72-2 2-Nitrotoluene

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%

ortho-Cymene

1-methyl-2-isopropylbenzene

2-Methylisopropylbenzene

Benzene, 1-methyl-2-(1-methylethyl)-

Benzene, 1-methyl-2- (1-methylethyl)-

o-Cymol

iso-propyltoluene

MFCD00008888

Cymene

1-Isopropyl-2-methylbenzene

O-CYMENE

CYMENE,ORTHO

EINECS 208-426-0

2-Isopropyltoluene

o-Isopropyltoluene

1-Methyl-2-isopropylbenzol

1-methyl-2-(propan-2-yl)benzene

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: o-Cymene
Price: Check
Purity: 99.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzene,1-methyl-2-(1-methylethyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: o-Cymene
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 98.0%
Delivery: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 527-84-4
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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o-Cymene

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Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

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Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.