Name: Brown FK
SKU: 8062-14-4

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Basic Information

Molecular Structure:
CAS No.:	8062-14-4
Name:	Brown FK

Formula:	C₁₈H₁₄N₆O₆S₂•C₁₃H₁₃N₄O₃S•3 Na
Molecular Weight:	848.83
Synonyms:	Brown FK;Benzenesulfonic acid, 4-(2,4-diamino-5-methylphenyl)azo-, monosodium salt, mixt. with 4,4-(2,4-diamino-1,3-phenylene)bis(azo)bisbenzenesulfonic acid disodium salt;Food brown 1;C.I. Food Brown 1
Safety:	Moderately toxic by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NO_x, Na₂O, and SO_x.
PSA:	374.98000
LogP:	11.53610

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Chemistry

IUPAC Name: trisodium; 4-(2,4-diamino-5-methylphenyl)diazenylbenzenesulfonate;4-[2,4-diamino-5-(4-sulfonatophenyl)diazenylphenyl]diazenylbenzenesulfonate
Molecular Formula: C₁₈H₁₄N₆O₆S₂•C₁₃H₁₃N₄O₃S•3 Na
Molecular Weight: 848.83 g/mol
Appearance: red-brown powder or granule
Freely Rotating Bonds: 8
Polar Surface Area: 181.42 Å²
The Cas Register Number of C.I. Food brown 1 is 8062-14-4.The chemical synonyms of C.I. Food brown 1 (CAS NO.8062-14-4) are Brown FK ; Golden Brown RK-FQ ; C.I. Food Brown 1 ; 1545 Brown ; EEC No. 124 ; LS-31848
; Benzenesulfonic acid, 4,4'-((4,6-diamino-m-phenylene)bis(azo))di-, disodium salt, mixed with p-((4,6-diamino-m-tolyl)azo)benzenesulfonic acid, sodium salt .The molecular structure of C.I. Food brown 1 (CAS NO.8062-14-4) is .

Uses

C.I. Food brown 1 (CAS NO.8062-14-4) is used as food additive , food coloring (coloring agents) and color retention agent.

Toxicity Data With Reference

1.	mmo-esc 1 g/L	FCTXAV Food and Cosmetics Toxicology. 18 (1980),215.
2.	mma-esc 10 g/L	FCTXAV Food and Cosmetics Toxicology. 18 (1980),215.
3.	orl-rat LDLo:4000 mg/kg	FCTXAV Food and Cosmetics Toxicology. 6 (1968),1.
4.	ipr-rat LD50:750 mg/kg	FCTXAV Food and Cosmetics Toxicology. 6 (1968),737.
5.	ipr-mus LDLo:1500 mg/kg	FCTXAV Food and Cosmetics Toxicology. 6 (1968),1.

Consensus Reports

EPA Genetic Toxicology Program.

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits very toxic fumes of NO_x, Na₂O, and SO_x.