C.I. Name

Acid Black 1

CAS NO.

1064-48-8

C.I. No.

20470

Type of dye

Acid

Description

Black Powder

Hue

Black

Physical Appearance

Powder

PH of 1%solution

9.38

Solubility

R.T.-25g/l,90°c-25g/l

Insolubility

0.21%

Absorbance

0.602(0.001%)

Maximum wavelength

620nm

Foaming

Nil

Spot Test on Paper

Similar

Moisture content

2%