2-Aminonaphthalene-1-sulfonic acid
4 Inquiries
81-16-3
pharmaceutical grade
99%
ailike
25kg/Cardboard Drum
Yes
2026-06-30
API,Antibiotics,Anti cancer category
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceGrey white to light pink powder
DryPowderBasic Info-
Product Name:
2-Amino-1-naphthalenesulfonic acid
Other Name:1-Naphthalenesulfonic acid,2-amino-;2-Amino-1-naphthalenesulfonic acid;2-Naphthylamine-1-sulfonic acid;Tobias acid;1-Sulfo-2-naphthylamine;NSC 5523;2-Aminonaphthalenesulfonic acid
CAS No.:81-16-3
Molecular Formula:C10H9NO3S
InChIKeys:InChIKey=GWIAAIUASRVOIA-UHFFFAOYSA-N
Molecular Weight:223.25
Exact Mass:223.25
BRN:613084
EC Number:201-331-5
UNII:F9QKW1FCE0
NSC Number:5523
DSSTox ID:DTXSID7020922
Color/Form:WHITE NEEDLES|Anhydrous scales from hot water; hydrated needles from cold water
HScode:2921450090
Categories:
Characteristics-
PSA:
88.77000
XLogP3:1.32
Appearance:DryPowder
Density:1.5±0.1 g/cm3
Melting Point:180 °C
Refractive Index:1.713
Water Solubility:4.083g/L(20 ºC)
Toxicity:Oral-rat LD50: 19400 mg/kg
Flammability characteristics:Flammable; burning produces toxic nitrogen oxides and sulfur oxide fumes
Dissociation Constants:pK1= 2.35 in water @ 25 °C
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
API,Antibiotics,Anti cancer category
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Location:
12A02-9, Union Building, Building 1, No. 216 Tongchuan Road, Licang District, Qingdao City, Shandong Province
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
15 days
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Total Annual Revenue:
$25 million-$50 million
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Total Employees:
201-300
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Year of Establishment:
2024
Company Certificates-
Hazardous Chemicals Business License
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Supplier Agreement
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Inquiry History4 Inquiries
Country Product Purchase Quantity Date Posted 
India
Tobias Acid
2 20' Fcl Apr 26, 2024
India
Tobias acid
1.00 20' Fcl Jan 15, 2024
India
Tobias Acid
24 TON Apr 28, 2025
India
Tobias acid
6.00 TON May 17, 2024 Post an enquiry for this product
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