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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
Ms Chris Ren: 0086-13702078682
Ms Avril Fang: 0086-15822793627
Direct Red 31
Product Description

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

Keyword:
Direct Red 12B
Direct Red 31
Direct Pink 12B
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