99-94-5 structure, C8H8O2
p-toluic acid
CAS No.: 99-94-5 Formula: C8H8O2 Molecular Weight: 136.14800
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p-toluic acid

CAS No.:

99-94-5

Formula:

C8H8O2

Molecular Weight: 136.14800
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Description

p-Toluic acid (4-methylbenzoic acid) is a substituted benzoic acid with the formula CH3C6H4COOH. It is an intermediate in some industrial processes for the oxidation of p-xylene to terephthalic acid which is used in the manufacture of polyethylene terephthalate. It is a white crystalline solid that is practically insoluble in water, but soluble in acetone.

Numbering system

EINECS number 202-803-3
MDL number MFCD00002565

Properties

Appearance & Physical State

colourless crystals or white crystalline powder

Density

1.06

Boiling Point

274-275ºC

Melting Point

179-182ºC

Flash Point

124.7ºC

Refractive Index

1.5086 (20ºC)

Stability

Stable. Incompatible with strong oxidizing agents, strong bases.

Storage Condition

Store at RT.

Safety Info

RTECS

XU1575000

Safety Statements

S22

HS Code

29163900

WGK Germany

1

Risk Statements

R22

Hazard Codes

Xn
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