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6548-29-4

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Basic Information
CAS No.: 6548-29-4
Name: tetrasodium 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-aminonaphthalene-2,7-disulphonate]
Molecular Structure:
Molecular Structure of 6548-29-4 (tetrasodium 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-aminonaphthalene-2,7-disulphonate])
Formula: C32H22Cl2N6O12S4•4 Na
Molecular Weight: 973.70
Synonyms: Diphenyl Red 8B;Fast purpurine;Direct Red 46;Triazol Fast Red 8B;Chloramine Red 8B;Direct Red 8BS;Direct Fast Purpurine 8B;Benzo Brilliant Red 8BS;Nippon purpurine 8B;Acetopurpurine 8B;
Safety: Mutation data reported. When heated to decomposition it emits toxic vapors of NOx, SOx and Cl−.
PSA: 363.80000
LogP: 12.06400
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    C.I. DIRECT RED 46, TETRASODIUM SALT

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  • C.I. DIRECT RED 46, TETRASODIUM SALT

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    C.I. DIRECT RED 46, TETRASODIUM SALT

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Chemistry

 C.I. Direct red 46, tetrasodium salt , its CAS register number is 6548-29-4,it's called for Tetrasodium 4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-aminonaphthalene-2,7-disulphonate] ; Diphenyl Red 8B ; Cidirectred46 ; 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dichloro[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt ; 4,4'-[(3,3'-Dichloro-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[3-amino-2,7-naphthalenedisulfonic acid]tetrasodium salt ; Nippon purpurine 8B ; Triazol fast red 8B ; Direct fast purpurine 8B ; Benzo brilliant red 8BS ,and so on. C.I. Direct red 46, tetrasodium salt (CAS No.6548-29-4) is commonly biphenyl product.

IUPAC Name: Tetrasodium ; 3-Amino-4-[4-[4-(2-amino-3,6-disulfonatonaphthalen-1-yl)diazenyl-3-chlorophenyl]-2-chlorophenyl]diazenylnaphthalene-2,7-disulfonate
CAS: 6548-29-4
Molecular Formula: C32H18Cl2N6Na4O12S4
Molecular Weight: 969.6434
Molecular structure:
EINECS: 229-468-6
ACD/LogD (pH 5.5): -2.21 
ACD/LogD (pH 7.4): -2.21 
ACD/BCF (pH 5.5): 1 
ACD/BCF (pH 7.4): 1 
ACD/KOC (pH 5.5): 1 
ACD/KOC (pH 7.4): 1 
H bond acceptors: 18
H bond donors: 8 
Freely Rotating Bonds: 11 

Uses

 C.I. Direct red 46, tetrasodium salt (CAS No.6548-29-4) is usually used as chemical reagent.

Toxicity Data With Reference

1.    

dns-rat-orl 100 mg/kg

     ENMUDM    Environmental Mutagenesis. 5 (1983),488.
2.    

dns-rat:lvr 500 mg/L

     ENMUDM    Environmental Mutagenesis. 5 (1983),488.

Consensus Reports

 C.I. Direct red 46, tetrasodium salt (CAS No.6548-29-4) was reported in EPA TSCA Inventory.

Safety Profile

Mutation data reported. When C.I. Direct red 46, tetrasodium salt (CAS No.6548-29-4) is heated to decomposition,it emits toxic vapors of NOx, SOx and Cl−.