pH range (8.2 - 10.0) Colourless to red violet
Absorption maxima (buffer pH 9.8) 551 - 554 nm
Loss on drying (at 110°C) Max 1%
Sensitivity Passes test
Sulfated ash Max 0.05%
Chloride (Cl) Max 0.01%
Sulfate (SO4) Max 0.01%

CAS No.

77-09-8

Molecular Formula

C20H14O4

Molecular Weight

318.33

HS Code

2932.2910

Symbol

GHS08

Signal Word

Danger

Hazardous Statement

H350-H341-H361F

Precaution Statement

P281-P201-P202-P308 -P313-P405-P501A

Packing

100 G

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