Sulfanilic Acid

White or off-white crystalline powder

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[Product name]	Sulfanilic Acid
[CAS No.]	121-57-3
[Molecular formula]	C₆H₇NO₃S
[Molecular weight]	173.19
[Appearance]	white or off-white crystalline powder
[Assay]	≥99%
[Moisture]	≤0.05%
[Melting point]	280℃
[Packing and volume]	25KG/plastic woven bag
[Storage conditions]	Avoid light, airtight preservation
[Quality standard]	HG/T3678-2000
[Uses]	Used in the manufacture of azo dyes, etc, also used as a pesticide for controlling wheat rust
[Grade of dangerous goods]	Ordinary
[MSDS]	After sign purchase order, we will provide the MSDS if you requested

Sulfanilic Acid is a high-purity, versatile compound widely recognized for its essential role in industrial, laboratory, and chemical manufacturing applications. As an important intermediate, Sulfanilic Acid is commonly used in the production of dyes, optical brighteners, and specialty chemicals, thanks to its reliable reactivity and stability. Its unique chemical structure, combining an amino group and a sulfonic acid group attached to a benzene ring, gives Sulfanilic Acid exceptional solubility and consistency, making it a preferred choice across various industries.

Manufacturers value Sulfanilic Acid for its effectiveness in producing azo dyes, where it acts as a diazo component, contributing to vivid and durable color quality. Beyond the dye industry, Sulfanilic Acid plays a critical role in the creation of concrete additives and water treatment formulations, where its performance enhances both strength and sustainability. The high-purity grade of Sulfanilic Acid ensures superior results in applications requiring precise chemical reactions.

Sulfanilic Acid is also known for its environmental safety profile compared to alternatives, making it a responsible option for companies seeking to balance performance and eco-friendliness. With its consistent quality, broad utility, and reliable supply, Sulfanilic Acid remains a cornerstone material for innovative product development and industrial excellence. Whether you are formulating new dyes, enhancing construction materials, or advancing chemical research, Sulfanilic Acid delivers unmatched reliability and value.

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Sulfanilic Acid

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Intermediates

API

Products	CAS No.	Specifications	Package
Sulfanilamide(Crystalline)	63-74-1	R1-CEP2007-241-Rev01	25kg/drum,bag Ø36*39cm
Sulfachloropyridazine Sodium	23282-55-5	CVP2020	25kg/drum Ø36*47cm
Sulfachloropyrazine Sodium	102-65-8	CVP2020	25kg/drum Ø36*47cm
Sulfamonomethoxine	1220-83-3	CVP2020	25kg/drum Ø36×47cm
Sulfamonomethoxine Sodium	38006-08-5	CVP2020	25kg/drum Ø36×47cm
Sulfadimethoxine	122-11-2	USP/EP/CVP2020	25kg/drum Ø36*47cm
Sulfadimethoxine Sodium	1037-50-9	USP/EP/CVP2020	25kg/drum Ø36*47cm
Sulfathiazole	72-14-0	EP11.0/CVP2020	25kg/drum Ø36*47cm
Sulfathiazole Sodium	144-74-1	BP/USP/CVP2020	25kg/drum Ø36*47cm
Phthalylsulfathiazole	85-73-4	BP/EP/CVP2020	25kg/drum Ø38×58cm
Sulfaquinoxaline	59-40-5	CVP2020/USP43	25kg/drum Ø36*47cm
Sulfaquinoxaline Sodium	967-80-6	CVP2020	25kg/drum Ø36*47cm
Sulfafurazole	127-69-5	EP11.0	25kg/drum Ø36*47cm
Sulfsoxazole Acetyl	80-74-0	USP43	25kg/drum Ø36*47cm
Sulfadoxine	2447-57-6	USP43/EP11.0	25kg/drum Ø36×47cm
Celecoxib	169590-42-5 184007-95-2	EP7.5/USP35	10kg/drum Ø36.5×36cm

API（Sulfa-APl series）

Products	CAS No.	Specifications	Package
Neostigmine Methylsulfate	51-60-5	USP43/EP10.4/JP18	1kg/drum Ø26*20cm
Pyridostigmine Bromide	101-26-8	USP43/EP10.4/JP18	1kg/drum Ø26*20cm
Dicyclanil	112636-83-6	Factory Standard	20kg/drum Ø45*53cm
Chlorofluorourea	103055-07-8	USP43/EP11.0	25KG/drum Ø36×47cm
Fluralaner	864731-61-3	Factory Standard	25kg/drum Ø36×47cm
Flumethrin	69770-45-2	Factory Standard	25kg/drum Ø36×47cm
Tranexamic acid	1197-18-8	EP11.0	25kg/drum Ø36×47cm
Loxoprofen Sodium	80382-23-6	JP18	25kg/drum Ø36×47cm
Amlodipine besylate	111470-99-6	JP18/USP43	25kg/drum Ø36×47cm
S-Amlodipine Besylate	150566-71-5	JP18/USP43	25kg/drum Ø36×47cm

Intermediates

Products	CAS No.	Specifications	Package
Acetanilide	103-84-4	Factory Standard	25kg/drum Ø36×47cm
Sulfanilamide(Industrial)	63-74-1	HG3267-1999	40kg/bag
N-Acetylsulfanilyl chloride	121-60-8	Factory Standard	25kg/drum，bag
4-Sulfonamidophenylhydrazine hydrochloride	17852-52-7	Factory Standard	25kg/drum Ø36×47cm
3,6-Dichloropyridazine	141-30-0	Factory Standard	50kg/drum Ø45*55cm
2,6-Dichloropyrazine	4774-14-5	Factory Standard	25kg/drum Ø36*47cm
2.3-Dichloropyrazine	4858-85-9	Factory Standard	25kg/drum
2-Chloropyrazine	14508-49-7	Factory Standard	220kg/drum
2-Phenyl propionic acid	492-37-5	Factory Standard	200kg/drum
2- (4-Bromomethyl) phenyl propionic acid	111128-12-2	Factory Standard	25kg/drum Ø36×47cm
Amlodipine Base	88150-42-9	Factory Standard	25kg/drum Ø36×47cm
(S)-Amlodiping Base	103129-82-4	Factory Standard	25kg/drum Ø36×47cm
Methyl 5-chloro-2-hydroxybenzoate	4068-78-4	Factory Standard	25kg/drum
4-Chlorophthalic Acid	89-20-3	Factory Standard	700kg/bag
Iminodiacetic acid diethyl ester	6290-05-7	Factory Standard	770kg/drum
N,N-Dimethylglycine ethyl ester	33229-89-9	Factory Standard	800kg/drum
4.6-Dihydroxypyrimidine	1193-24-4	Factory Standard	25kg/drum
4.6-Dichloropyrimidine	1193-21-1	Factory Standard	25kg/drum
Sulfanilie Acid	121-57-3	HG/T3678-2000	25kg/bag