Direct black 22, Direct Fast Black VSF, Dye manufacturer
Quick Details
CAS No.: 6473-13-8 Other Names: Direct Black 22 MF: C44H32N13Na3O11S3
EINECS No.: 229-326-3 Place of Origin: Type: Direct Dye
Usage: Ink Dyestuffs, Leather Dyestuffs, Paint.. . Brand Name: FZ
FZDD41
Direct black 22, Direct Fast Black VSF
1. Other Names: Direct black 22, Direct Fast Black VSF, Direct light black GF, Direct fast black GF, C.I. Direct black 22,
2. specification
Name of Item Item of Provision
Appearance Black Symmetrical Powder
Shade compare with standard Similar~Slight
Strength is standard % 600
Moisture % <=5
Insolubles % <=1
Fineness 180 m residue on sieve % <=15
Solubility g L 5
PH value =>9
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