Molekula
Pigment Red 4
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
Pigment Red 4 is an organic monoazo pigment used primarily in printing inks, paints, and coatings. Beyond inks, it colors resins, paper and externally applied cosmetics such as lip products, where it is known as D&C Red No. 36. It has the molecular formula C16H10ClN3O3 and a molecular weight of 327.7219. The CAS number is 2814-77-9, it requires ambient storage, and carries no signal word. Molekula supplies Pigment Red 4 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 89985910
- CAS Number
- 2814-77-9
- IUPAC Name
- 1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
- EC Number
- 220-562-2
- Molecular Formula
- C16H10ClN3O3
- Molecular Weight
- 327.7219
- Exact Mass
- 327.0411
- SMILES
- C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)[N+](=O)[O-])Cl)O
- InChIKey
- XLTMWFMRJZDFFD-UHFFFAOYSA-N
- InChI
- InChI=1S/C16H10ClN3O3/c17-13-9-11(20(22)23)6-7-14(13)18-19-16-12-4-2-1-3-10(12)5-8-15(16)21/h1-9,21H
- PubChem CID
- 17778
Synonyms
- 1-((2-Chloro-4-nitrophenyl)azo)-2-naphthol
- 1-[(2-chloro-4-nitrophenyl)diazenyl]naphthalen-2-ol
- 2-Naphthalenol, 1-((2-chloro-4-nitrophenyl)azo)-
- Carnelio Red R
- CI 12085
- D and C Red No. 36
- D&C Red No. 36
- Flame tones
- Flaming Red
- Permanent Red R
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Intense yellowish red
- Melting Point
- 276 °C
Source: PubChem CID 17778 (HSDB)
See the other grade of CAS 2814-77-9 →
Frequently asked questions
What is Pigment Red 4 used for?
Pigment Red 4 is primarily used as a colorant in various industrial applications, including printing inks, paints, and coatings.
What are the chemical formula and molecular weight of Pigment Red 4?
The chemical formula is C16H10ClN3O3 and the molecular weight is 327.7219 g/mol.
How should Pigment Red 4 be stored?
This product should be stored at ambient temperature.
Can Molekula supply Pigment Red 4 in bulk?
Yes, Molekula can supply Pigment Red 4 in bulk quantities to meet your specific industrial requirements.
What documentation comes with the order?
All orders are supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS).
What is the CAS number for Pigment Red 4?
The CAS number for Pigment Red 4 is 2814-77-9.
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.