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Direct Blue 71

ENGLISH NAME:Direct Fast Blue B2RL
C.I. NO.: 34140,Direct Blue 71
CAS NO: 4399-55-7
MOLECULAR FORMULA: C40H23N7Na4O13S4
MOLECULAR WEIGHT:1029.8688
Ms Chris Ren: 0086-13702078682
Ms Avril Fang: 0086-15822793627
Direct Blue 71
Product Description

ENGLISH NAME:Direct Fast Blue B2RL

C.I. NO.: 34140,Direct Blue 71
CAS NO: 4399-55-7
EINECS NO: 224-531-4
MOLECULAR FORMULA: C40H23N7Na4O13S4
MOLECULAR WEIGHT: 1029.8688

 

NO

Name of Item

Unit

Item of Provision

Result of Examination

1

Appearance

 

Blue Powder

Measure Up

2

Shade(compare with standard)

 

Similar~ Slight

Similar

3

Strength(is standard)           

%

100±3

100

4

Moisture                       

%

≤5.0

4.21

5

Insoluble                       

%

≤1.0

0.59

6

Fineness(180μm residue on sieve)  

%

≤5.0

Pass

7

Remarks

Qualified Product

Keyword:
Direct Fast Blue B2RL
Direct Blue 71
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