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

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Origin: China

Cas No: 553-97-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

Property

CAS No.: 553-97-9 Formula: C7H6O2 Molecular Weight: 122.12100

Basic Info

Chemical Name	2-methylcyclohexa-2,5-diene-1,4-dione
Synonyms	2-Methylquinone; 2-methylbenzoquinone; Methyl-p-benzoquinone; 2-methyl-1,4-benzoquinone; Methylbenzoquinone; monomethyl-1,4-benzoquinone; methyl-1,4-benzoquinone; 2,5-Cyclohexadiene-1,4-dione, 2-methyl-; p-Benzoquinone,2-methyl; p-Toluquinone; Tolylquinone; Methylquinone; 2-methyl-p-benzoquinone; Toluquinone; 2-methylbenzo-1,4-quinone;
CAS No.	553-97-9
Molecular Formula	C7H6O2
Molecular Weight	122.12100
PSA	34.14000
LogP	0.64070

Properties

Appearance & Physical State	Yellow plates or needles.
Density	1.173g/cm3
Boiling Point	186.6ºC at 760mmHg
Melting Point	66-70ºC
Flash Point	64.9ºC
Refractive Index	1.5049 (78ºC)
Water Solubility	insoluble
Stability	Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Info

RTECS	DK6300000
Hazard Class	4.1
Safety Statements	S26-S28-S37/39-S45
HS Code	29146990
WGK Germany	3
Packing Group	II; III
Risk Statements	R25; R36/37/38
Hazard Codes	T
Hazard Declaration	H302; H315; H319; H335
Caution Statement	P261; P305 + P351 + P338
Signal Word	Warning
Symbol	GHS07

Synthesis Route

(4-chloro-2-methylphenoxy)acetic acid→Methylhydroquinone+2-methylcyclohexa-2,5-diene-1,4-dione
phenol→2,5-bis(dimethylamino)cyclohexa-2,5-diene-1,4-dione+2-methylcyclohexa-2,5-diene-1,4-dione
m-cresol→5-Methyl-2-nitrophenol+4-nitro-m-cresol

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Packed	SE-30	180.	1008.	isothermal
Packed	SE-30	190.	1015.	isothermal
Packed	SE-30	200.	1018.	isothermal
Packed	SE-30	210.	1025.	isothermal
Packed	SE-30	220.	1031.	isothermal