2,5-Cyclohexadiene-1,4-dione, 2-methyl-5-(1-methylethyl)- | CAS 490-91-5

Element: cyclohexadiene methylethyl methyl dione

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C-S » Chemicals » cyclohexadiene-dione-methyl-methylethyl-PX113885

Identification

2,5-Cyclohexadiene-1,4-dione, 2-methyl-5-(1-methylethyl)-

CAS:

490-91-5

EINECS:

207-721-1

Molecular Formula:

C₁₀H₁₂O₂

MDL:

MFCD00001602

SMILES:

CC(C1=CC(=O)C(=CC1=O)C)C

Synonym:

black seed extract ; thymoquinone,99% ; thymoquinone ; semen nigellae ; p-cymene-2,5-dione ; aurora ka-6714 ; timtec-bb sbb008296 ; nsc 2228 ; thymolquinone ; thymoquinon

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Thymoquinon

Leap Chem Co., Ltd

LC198594

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Hangzhou J&H Chemical Co., Ltd.

HJC3411364

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Sigma-Aldrich International GmbH

SI3521056

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Santa Cruz Biotechnology, Inc.

215986

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TCI Chemicals (India) Pvt. Ltd.

T0795

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Frinton Laboratories

FR-1185

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AK Scientific, Inc.

AS228684

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ShangHai Biochempartner Co., Ltd.

BCP16946

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Ambeed, Inc.

A263475

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CSNpharm, Inc.

CSN20034

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Finetech Industry Limited

FIL3001200

Thymoquinone

Aozeal Certified Standards (AOCS), Inc.

T0180.00

Thymoquinone

Xingrui Industry Co., Limited

XIL3481392

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Gihi Chemicals Co., Limited

GCL3241296

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Dayang Chem (Hangzhou) Co.,Ltd.

DC3721488

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Conscientia Industrial Co., Ltd (Zhejiang Conscientia Pharmaceutical)

CI8283312

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Xiamen Equation Chemical Co.,Ltd

XECC3841920

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Zehao Industry Co., Ltd.

ZI288864

2-Isopropyl-5-methylcyclohexa-2,5-diene-1,4-dione

BLD Pharmatech Ltd

BP352810584

2,5-Cyclohexadiene-1,4-dione,2-methyl-5-(1-methylethyl)-

Gihi Chemicals Co., Limited

GCL756030240

Prices & Availability

Data is processed

Properties for 2,5-Cyclohexadiene-1,4-dione, 2-methyl-5-(1-methylethyl)-

Molecular Weight:

164.2 g·mol−1

Density:

1.07 g/cm³ (Predicted)

Melting point:

45-47 °C(lit.)

Boiling point:

230-232 °C(lit.)

Flash point:

219 ºF

Solubility:

Soluble in ether, alcohol, water (0.87 mg/ml at 25° C), chloroform, and methanol.

Hazard Statements

GHS03
Harmful

Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, categories 2, 3
Eye irritation, category 2A
Skin sensitization, category 1
Specific target organ toxicity following single exposure, category 3
- Respiratory tract irritation
- Narcotic effects

Not used

with the "skull and crossbones" pictogram
for skin or eye irritation if:
the "corrosion" pictogram also appears
the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:

R22 - Harmful if swallowed
R36/37/38 - Irritating to eyes, respiratory system and skin

Safety Codes:

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing

Hazard Symbols:

Alternative Distributors of [2,5-Cyclohexadiene-1,4-dione, 2-methyl-5-(1-methylethyl)-]

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