Direct Red 31

ENGLISH NAME:Direct Red 12B,Direct Pink 12B
C.I. NO.: 29100，Direct Red 31
CAS NO: 5001-72-9
MOLECULAR FORMULA: C32H21N5Na2O8S2
MOLECULAR WEIGHT: 713.6474

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Direct Red 31

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Direct Dyes

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Product Details

ENGLISH NAME:Direct Red 12B,Direct Pink 12B

C.I. NO.: 29100，Direct Red 31
CAS NO: 5001-72-9
EINECS NO:225-669-8
MOLECULAR FORMULA: C32H21N5Na2O8S2
MOLECULAR WEIGHT: 713.6474

NO	Name of Item	Unit	Item of Provision	Result of Examination
1	Appearance		Red Brown Powder	Measure Up
2	Shade(compare with standard)		Similar~ Slight	Similar
3	Strength(is standard)	%	100±3	100
4	Moisture	%	≤5.0	3.26
5	Insoluble	%	≤1.0	0.38
6	Fineness(180μm residue on sieve)	%	≤5.0	Pass
7	Remarks	Qualified Product