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Tartrazine

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Origin: China

Cas No: 1934-21-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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Products Specification
Product Description

Property

CAS No.: 1934-21-0 Formula: C16H12N4NaO9S2+ Molecular Weight: 491.40800

Description

Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Acid Yellow 23, Food Yellow 4, and trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate).
Tartrazine is a commonly used color all over the world, mainly for yellow, and can also be used with Brilliant Blue FCF (FD&C Blue 1, E133) or Green S (E142) to produce various green shades.

Basic Info

Chemical Name	Tartrazine
Synonyms	YELLOW 5; Tartrazin; FD and C Yellow No. 5; TARTRAZINE; FD & C Yellow 5; Acid Yellow 23; l-gelb2; Filter Yellow; C.I. Food Yellow 4; y-4; 3-carboxy-5-hydroxy-1-para-sulfophenyl-4-para-sulfophenylazopyrazole trisodium salt; 1310yellow; Food Yellow No. 4; c.i.640; TARTAZINE; tartarazine; tartrazine (E102); E102;
CAS No.	1934-21-0
Molecular Formula	C16H12N4NaO9S2+
Molecular Weight	491.40800
PSA	220.19000
LogP	2.78190

Properties

Appearance & Physical State	Deep yellow powder
Density	1.93 g/cm3 (20ºC)
Melting Point	300ºC
Stability	Stable. Hygroscopic. Incompatible with strong oxidizing agents.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.