2, 4-Diaminobenzenesulfonic Acid 88-63-1 O-Aminosulfanilic Acid

• CAS No.: 88-63-1
• Formula: C6h8n2o3s
• Type: Pharmaceutical Intermediates
• Appearance: Crystal
• Quality: Industrial
• Colour: Pale Gray to Pale Red
• Model NO.: 98%
• Specification: 99% min
• Trademark: SWC
• Origin: China
• Production Capacity: 200mts/Month

Product Description

Product Description

Product Name: 2,4-Diaminobenzenesulfonic acid

Identification
Synonyms o-Aminosulfanilic Acid;3-Phenylenediamino-4-Sulfonic Acid;3-Amino-4-Sulfoaniline
Molecular Formula C6H8N2O3S
Molecular Weight 188.2
CAS Number 88-63-1
Structure

Properties Pale gray to pale red crystallization solid
Stability Stable.

Specification

ITEMS	SPECIFICATIONS
Appearance	Pale gray to pale red crystallization solid
Assay	80%
Purity (Amino value on dry basis)	≥98%
Mpda	≤0.8%
Dimethylglyoxal	≤1.5%
Insoluble matter	≤1.0%

Application
Used as a dye intermediate for the production of reactive bright yellow X-6G, reactive bright yellow X-HG, reactive brilliant blue K-6G, reactive yellow KD-3G, reactive yellow M-5G, reactive brilliant blue K-BR, reactive brilliant blue K-GR, reactive brilliant blue M-BR, weak acid scarlet FC, acid mordant brown RH, etc.

Packing and Storage
Packing In 25kgs net bag
Storage Keep tightly closed.

Safety Information
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

FAQ

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)
or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,
shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on
where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.