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4-Methylphthalic Acid

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Origin: China

Cas No: 4316-23-8

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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Products Specification
Product Description

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CAS No.: 4316-23-8 Formula: C9H8O4 Molecular Weight: 180.15700

Basic Info

Chemical Name	4-Methylphthalic Acid
Synonyms	1,2-Benzenedicarboxylic acid, 4-methyl-; 4-Methylphthalic acid;
CAS No.	4316-23-8
Molecular Formula	C9H8O4
Molecular Weight	180.15700
PSA	74.60000
LogP	1.39140

Properties

Appearance & Physical State	white powder.
Density	1.377g/cm3
Boiling Point	390.9ºC at 760 mmHg
Melting Point	146-148ºC(lit.)
Flash Point	204.4ºC
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

Safety Statements	26-37/39
HS Code	2917399090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi
Signal Word	Warning
Symbol	GHS07
Hazard Declaration	H315; H319; H335
Caution Statement	P261; P305 + P351 + P338

Synthesis Route

carbon monoxide+p-toluic acid→4-Methylphthalic Acid
carbon monoxide+m-toluic acid→4-Methylphthalic Acid
5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione→4-Methylphthalic Acid+p-toluic acid

GC Analysis