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disodium,2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate

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Origin: China

Cas No: 2353-45-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2353-45-9 Formula: C37H34N2Na2O10S3 Molecular Weight: 808.84800

Description

Fast Green FCF, also called Food green 3, FD&C Green No. 3, Green 1724, Solid Green FCF, and C.I. 42053, is a sea green triarylmethane food dye. Its E number is E143.
Fast Green FCF is recommended as a replacement of Light Green SF yellowish in Masson's trichrome, as its color is more brilliant and less likely to fade. It is used as a quantitative stain for histones at alkaline pH after acid extraction of DNA. It is also used as a protein stain in electrophoresis. Its absorption maximum is at 625 nm.
Fast Green FCF is poorly absorbed by the intestines. Its use as a food dye is prohibited in European Union and some other countries. It can be used for tinned green peas and other vegetables, jellies, sauces, fish, desserts, and dry bakery mixes at level of up to 100 mg/kg. In the United States, Fast Green FCF is the least used of the seven main FDA approved dyes.

Basic Info

Chemical Name	disodium,2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
Synonyms	C Green no. 3; Food green 3; C.I. Food Green 3; Fast green FCF; FDC Green No. 3; 1724 Green; Food Green No. 3; FD and C green 3; Solid Green FCF; Fast Green FCF,certified; disodium salt of fast green FCF;
CAS No.	2353-45-9
Molecular Formula	C37H34N2Na2O10S3
Molecular Weight	808.84800
PSA	223.22000
LogP	7.97490

Properties

Appearance & Physical State	Burgundy powder, free of foreign matter
Melting Point	290ºC
Stability	Stable. Incompatible with strong oxidizing agents.
Storage Condition	Store at RT.

Safety Info

Safety Statements	S25-S37/39
HS Code	32041900
Risk Statements	R20/21/22; R40
Hazard Codes	Xn

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	>2 gm/kg	1.Details of toxic effects not reported other than lethal dose value
Subcutaneous	TDLo - Lowest published toxic dose	Rodent - rat	5925 mg/kg/48W-I	1.Tumorigenic-neoplastic by RTECS criteria 2.Tumorigenic-tumors at site of application
-	Mutation in microorganisms	-	10 mg/plate	-

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