ChroMotrope 2B,548-80-1
1 Inquiries
548-80-1
Industrial Grade
99%
xi'an
1KG/BAG
2026-05-10
Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst
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Product Description
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial Referencedark green to dark purple crystalline powderBasic Info
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Product Name:
4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt
Other Name:2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-,sodium salt (1:2);C.I. Acid Red 176;C.I. Acid Red 176,disodium salt;2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-[(4-nitrophenyl)azo]-,disodium salt;2,7-Naphthalenedisulfonic acid,4,5-dihydroxy-3-(p-nitrophenylazo)-,disodium salt;C.I. 16575;Chromotrope 2B;Chromotrope Red 4B;Naphtocard Fast Red 3B;p-Nitrobenzeneazochromotropic acid sodium salt;C.I. Mordant Black 93;Cr-2B;4,5-Dihydroxynaphthalene-3-(4-nitrophenylazo)-2,7-disulfonic acid disodium salt;Poly-chromotrope 2B;PCR 2B
CAS No.:548-80-1
Molecular Formula:C16H11N3O10S2.2Na
InChIKeys:InChIKey=GEBWHFRBVHTEBK-UHFFFAOYSA-N
Molecular Weight:513.37
Exact Mass:512.95200
BRN:4109733
EC Number:208-959-9
UNII:81Y8BW5764
DSSTox ID:DTXSID0060278
HScode:2927000090
Categories:
Characteristics-
PSA:
242.16000
XLogP3:5.06760
Appearance:Dark green to dark purple Crystalline Powder
Melting Point:300 °C
Hazard IdentificationClassification of the substance or mixture
Skin irritation, Category 2
Eye irritation, Category 2
Specific target organ toxicity â single exposure, Category 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P319 Get medical help if you feel unwell.
Storage P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
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:
Manufactory
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Main Products:
Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst
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Location:
https://www.dideu.com/en/
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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:
7
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Total Annual Revenue:
Above $100 million
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Total Employees:
Above 1000
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Year of Establishment:
2016
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Certifications:
ISO Certificate,REACH
">Company Profile -
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
Estonia
ChroMotrope 2B, 97%
100 G Apr 9, 2026 Post an enquiry for this product
