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Nitro, Azo & Hydrazine Compounds

Sudan II, 90%

Available on request

Sudan II, 90% (CAS 3118-97-6) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-008976.

Pack sizes
Sudan II, 90% chemical structure
CAS number3118-97-6
FormulaC18H16N2O
Molar mass276.3 g/mol
Physical formPowder
HS code29420090
Purity90%
InChIKeyJBTHDAVBDKKSRW-UHFFFAOYSA-N
IUPAC name1-[(2,4-dimethylphenyl)diazenyl]naphthalen-2-ol

About Sudan II, 90%

Zemixal supplies Sudan II, 90% within its pharma Intermediates & Building Blocks portfolio. For your records (90%), the material is defined by CAS 3118-97-6, formula C18H16N2O and molar mass 276.3 g/mol. It is described as orange to red powder.

Use cases we see most often

  • Organic synthesis
  • Dye & pigment intermediates
  • Heterocycle construction

Safe handling

Physical constants on file: melting point 156-158 °C. Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 g, 25 g and 100 g, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • Dye & pigment intermediates
  • Heterocycle construction

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Sudan II, 90%
Product nameSudan II, 90%
Catalogue numberZX-008976
CAS number3118-97-6
IUPAC name1-[(2,4-dimethylphenyl)diazenyl]naphthalen-2-ol
Molecular formulaC18H16N2O
Molar mass276.3 g/mol
Exact mass276.1263
Purity / assay90%
Physical formPowder
AppearanceOrange to red powder
Melting point156-158 °C
XLogP35.3
H-bond donors / acceptors1 / 3
Topological polar surface area45 Ų
HS code29420090
InChIKeyJBTHDAVBDKKSRW-UHFFFAOYSA-N
SMILESCC1=CC(=C(C=C1)N=NC2=C(C=CC3=CC=CC=C32)O)C
PubChem CID18386
Synonyms1-(2,4-Xylylazo)-2-naphthol, Solvent Orange 7, Sudan red, Ceres Orange RR, Fat Scarlet 2G, Sudan Red II, Fettorange B, Pyronalrot R, Sudan Orange, Sudan ax, Motirot G, Cerotinscharlach G

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sudan II, 90%
10 gQuoted on request
25 gQuoted on request
100 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sudan II, 90%

Which CAS number identifies Sudan II, 90%?
Sudan II, 90% is registered under CAS 3118-97-6. You may also see it listed as 1-(2,4-Xylylazo)-2-naphthol, Solvent Orange 7, Sudan red. Our catalogue number for this item is ZX-008976.
What are the formula and molar mass of Sudan II, 90%?
For Sudan II, 90%, its formula is C18H16N2O and its molar mass is 276.3 g/mol. The systematic (IUPAC) name is 1-[(2,4-dimethylphenyl)diazenyl]naphthalen-2-ol. InChIKey JBTHDAVBDKKSRW-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Sudan II, 90%?
This listing is 90% purity. Standard packs are 10 g, 25 g, 100 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Sudan II, 90%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sudan II, 90% to my country?
Yes. Because Sudan II, 90% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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