CAS:1934-21-0 C16H9N4Na3O9S2 Acid Yellow 23 CAS NO.1934-21-0

Min.Order Quantity:: 500 Gram

Purity:: 99%

Port:: depend on clients require

Payment Terms:: L/C,D/A,D/P,T/T,MoneyGram,Other

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Keywords

CAS:1934-21-0 C16H9N4Na3O9S2 Acid Yellow 23
CAS:1934-21-0 C16H9N4Na3O9S2 factory price high purity 99%
CAS:1934-21-0 C16H9N4Na3O9S2 technical grade or OLED grade

Quick Details

ProName: CAS:1934-21-0 C16H9N4Na3O9S2 Acid Yell...
CasNo: 1934-21-0
Molecular Formula: C16H9N4Na3O9S2
Appearance: white poweder
Application: CAS:1934-21-0 C16H9N4Na3O9S2 technical...
DeliveryTime: 5 working days after cash deposit
PackAge: Plastic vacuum packaging bag or bucket
Port: depend on clients require
ProductionCapacity: 1 Metric Ton/Day
Purity: 99%
Storage: under the cool and dry area
Transportation: by express or by sea
LimitNum: 500 Gram
Grade: Industrial Grade,Food Grade,Pharma Gra...

Superiority

acid yellow 23 basic information

product name:	acid yellow 23
synonyms:	ci no 19140;ci acid yellow 23;ci 19140;e102;lake tartrazine;kiton yellow t;hydrazine yellow;food yellow no 4
cas:	1934-21-0
mf:	c16h9n4na3o9s2
mw:	534.36
einecs:	217-699-5
product categories:	dyes and pigments;organics;analytical chemistry;food colors by food sanitation law in japan;aromatics;heterocycles;intermediates & fine chemicals;pharmaceuticals;sulfur & selenium compounds
mol file:	1934-21-0.mol

acid yellow 23 chemical properties

mp	300 °c
storage temp.	-20°c
colour index	19140
water solubility	260 g/l (30 ºc)
sensitive	hygroscopic
merck	14,9072
stability:	stable. hygroscopic. incompatible with strong oxidizing agents.
epa substance registry system	1h-pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)- 4-[(4-sulfophenyl)azo]-, trisodium salt(1934-21-0)

safety information

hazard codes	xn
risk statements	42/43
safety statements	22-36/37-45-24/25
wgk germany	1
rtecs	uq6400000
hazardous substances data	1934-21-0(hazardous substances data)

msds information

provider	language
food yellow 4	english
sigmaaldrich	english
acros	english
alfa	english

acid yellow 23 usage and synthesis

chemical properties

deep yellow powder

usage

as a dye for wool and silks; as colorant in food, drugs, and cosmetics. in biochemistry as an adsorption-elution indicator for chloride estimations. tartrazine (otherwise known as e number e102, c.i. 19140, or fd&c yellow 5) is a synthetic lemon yellow azo dye used as a food coloring. tartrazine appears to cause the most allergic and intolerance reactions of all the azo dyes, particularly among as thmatics and those with an aspirin intolerance.

acid yellow 23 preparation products and raw materials

preparation products

various color alkyd primer-->various color amino baking enamel a04-9-->food yellow 4:1-->edible synthetic dye milk chocolate brown

raw materials

nitric acid-->sodium carbonate-->sodium chloride-->water-->sodium dichromate dihydrate-->aluminium sulfate-->sulfanilic acid-->congo red paper-->d(-)-tartaric acid-->lead dinitrate-->lead-->sodium dichromate-->disodium hydrogenorthophosphate-->4-amino-benzenesulfonic acid monosodium salt-->basic orange 2-->cobalt(iii) oxide black-->sodium phosphite-->4-hydrazinobenzenesulfonic acid-->sodium chromate tetrahydrate-->sodium chromate-->sodium dihydroxytartrate-->5-pyrrazolone-->phenolphthalein-->sodium sulfite heptahydrate

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advantages

· government supports, which guarantees better company credibility and finance safe.

· fully free sample. finerchem is confident at the quality of the products, it is gald to supply samples for final customers.

· factory is in national new materials industry park where guarantees safe and international standard production environment. welcome to visit our factory.

· more than 10 years chemical products exported experience, and good relationship with customs and shipment agents, it is easy for us to clear customs and arrange delivery by sea, air and courier.

· professional r&d technology and equipments which keep products quality better and better.