Amines & Amides Available — Bulk Only

Diaminopyrimidine Oxide

CAS 74638-76-9 · Formula C4H6N4O · MW 126.12 g/mol

A synthetic pyrimidine cosmetic active formulated into specialty hair- and scalp-care products. It is used as a hair-conditioning and skin-conditioning ingredient in cosmetic and personal-care formulations.

Request SDS
HS Code
2933.59
At a Glance
Material Family
Amines & Amides
Record Type
Pure compound
Primary Role
Conditioning
Functional Roles
DIAMINOPYRIMIDINE OXIDE
HAIR CONDITIONINGSKIN CONDITIONING
Industries Served
Applications & Use Cases
  • Hair care: Hair-conditioning ingredient in scalp and hair products
  • Personal care: Skin-conditioning cosmetic ingredient
  • Specialty formulating: Active for premium hair-care lines
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

Request SDS →
HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2933 . 59
Chapter 29
Organic chemicals
Heading 29.33
Internationally harmonized (WCO HS)
Subheading 2933.59
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
74638-76-9
Molecular Formula
C4H6N4O
Molecular Weight
126.12 g/mol
IUPAC Name
3-hydroxy-2-iminopyrimidin-4-amine
INCI Name
DIAMINOPYRIMIDINE OXIDE
PubChem CID
InChI Key
YTKGAYFHUZTLCI-UHFFFAOYSA-N
Synonyms & Trade Names
Aminexil Kopexil 2,4-diaminopyrimidine-3-oxide 2,4-Diamino pyrimidine-3-oxide 2,4-Pyrimidinediamine, 3-oxide 2,4-Diaminopyrimidine 3-N-oxide 2,6-diaminopyrimidine 1-oxide diaminopyrimidine oxide 2,6-DIAMINOPYRIMIDIN-1-IUM-1-OLATE Mexoryl SAG 3-hydroxy-2-iminopyrimidin-4-amine 2,4-Diaminopyrimidin-3-oxid 2,4-Pyrimidinediamine 3-oxide
Full Description

Diaminopyrimidine oxide (CAS 74638-76-9) is a synthetic pyrimidine-derivative cosmetic ingredient. It is used as a hair-conditioning and skin-conditioning ingredient in cosmetic and personal-care formulations.

Frequently Asked Questions

What is diaminopyrimidine oxide?

Diaminopyrimidine oxide (CAS 74638-76-9, formula C4H6N4O) is a synthetic pyrimidine-derivative cosmetic ingredient. It is used as a hair-conditioning and skin-conditioning ingredient in cosmetic and personal-care formulations.

What does diaminopyrimidine oxide do in a formulation?

In cosmetic formulations it functions as a hair-conditioning and skin-conditioning ingredient, typically incorporated into premium scalp and hair-care lines. RawSource supplies it as a raw material for formulators; consult your formulation specialist for use levels.

Is diaminopyrimidine oxide the same as Aminexil?

Aminexil is a trade name associated with a diaminopyrimidine-oxide chemistry, but trade-named cosmetic actives can differ in purity, form, or licensing. For procurement, specify by CAS 74638-76-9 to define the exact material you require.

What is the CAS number and chemical family of diaminopyrimidine oxide?

It is CAS 74638-76-9, molecular formula C4H6N4O, classified in the amines and amides family as a pyrimidine derivative. HS code 2933.59 (heterocyclic compounds containing a pyrimidine ring: other).

What is the cost of bulk diaminopyrimidine oxide?

As a specialty cosmetic active, pricing depends heavily on grade, quantity, and packaging. Request a quote with your target volume and intended formulation; a CoA and SDS accompany each shipment.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.