Description

D & C Red No. 30 is a synthetic organic pigment belonging to the xanthene class, identified by CAS No. 84136-96-9. It is valued for its bright, stable red hue and its regulatory acceptance for use in externally applied drugs and cosmetics. This colorant is essential for manufacturers requiring consistent, high-quality pigmentation in personal care and topical pharmaceutical formulations. Its primary value lies in providing reliable, compliant color to a range of products where safety and batch-to-batch uniformity are critical.

Application

• Coloration of externally applied cosmetics such as lipsticks, blushes, and nail polishes.
• Pigment for topical pharmaceutical ointments, creams, and lotions.
• Colorant in soaps, bath products, and other rinse-off personal care items.
• Ingredient in hair dyes and temporary color rinses.
• Used in the manufacturing of artists' materials and specialty inks where a non-toxic red is required.
• Potential use in the coloration of plastics and polymers for non-food contact applications.

Basic Information

Product Name	D & C Red No. 30
CAS No.	84136-96-9
Molecular Formula	C18H14CaN2O10S2
Molecular Weight	522.51 g/mol
Synonyms	CI 73360; Calcium 3-hydroxy-4-[(2-methyl-5-oxo-1-phenyl-4-pyrazolin-4-yl)azo]naphthalene-2,7-disulphonate; D&C Red 30; FD&C Red No. 30 (historical); Red No. 230(1); Pyrazolone Red; Cosmetic Red; Pigment Red 230
EINECS	Contact for details

Quality Control

Our D & C Red No. 30 is manufactured and tested to meet stringent quality standards appropriate for cosmetic and topical drug use. Production follows current Good Manufacturing Practices (cGMP), and each batch is analyzed to ensure compliance with relevant specifications for identity, purity, and heavy metal content. A comprehensive Certificate of Analysis (COA) documenting assay, subsidiary colors, and impurities is available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture and contamination.

Specification

Item	Specification
Description	Red to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85.0%
Loss on Drying	≤ 5.0%
Subsidiary Colors	Meet required limits
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 20 ppm
Mercury (Hg)	≤ 1 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.