4-Chlororesorcinol

Description

4-Chlororesorcinol · CAS 95-88-5 · C6H5ClO2. UNII 87045U29QJ. Vapor Pressure: 0.0012 [mmHg]; LogP: 1.8.

Identification

CAS Registry Number	95-88-5
PubChem CID	1731
Molecular formula	C6H5ClO2
IUPAC name	4-chlorobenzene-1,3-diol
UNII (FDA)	87045U29QJ

Computed Descriptors

Molecular Weight	144.55
XLogP3	2.1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	143.9978071
Monoisotopic Mass	143.9978071
Topological Polar Surface Area	40.5
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Vapor Pressure	0.0012 [mmHg]
LogP	1.8

Physical description & handling notes

• Beige-brown solid; [EC: SCCS - Opinion] Light beige granular powder with a mild phenolic odor; [Jos. H. Lowenstein and Sons MSDS]
• 122.5 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID8052643]

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (4-Chlororesorcinol) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Hair dyeing
GHS notification summary	1% (1 / 103)

GHS Hazard Classification

GHS notification summary	1% (1 / 103)
Reported hazard statements	H302 (91.3%), H312 (51.5%), H315 (94.2%), H317 (41.7%), H318 (39.8%), H319 (58.3%), H332 (47.6%), H335 (55.3%)

Documented Uses

• CIR ingredient: 4-Chlororesorcinol
• Used as a coupler in oxidative hair dyes; [EC: SCCS - Opinion]
• Dressing Hair [Category: Other]
• Information on 9 consumer products that contain 4-Chlororesorcinol in the following categories is provided:
• 1,3-Benzenediol, 4-chloro-: ACTIVE

Synonyms

4-Chlororesorcinol; 95-88-5; 4-chlorobenzene-1,3-diol; 4-Chlororesorcin; p-Chlororesorcinol; 1,3-Benzenediol, 4-chloro-; 2,4-Dihydroxychlorobenzene; 4-Chloro-1,3-dihydroxybenzene; 4-Chloro-1,3-benzenediol; 6-Chlororesorcinol; Resorcinol, 4-chloro-; 1,3-Dihydroxy-4-chlorobenzene; C.I. 76510; MFCD00002273; 4-chlororesorcine; BRN 2042864

Frequently Asked Questions

What are the CAS number and molecular formula of 4-Chlororesorcinol?

CAS 95-88-5; molecular formula C6H5ClO2; molecular weight — g/mol.

What other names is 4-Chlororesorcinol known by?

4-Chlororesorcinol, 95-88-5, 4-chlorobenzene-1,3-diol, 4-Chlororesorcin, p-Chlororesorcinol, 1,3-Benzenediol, 4-chloro-.

What is the regulatory status of 4-Chlororesorcinol?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (4-Chlororesorcinol) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Hair dyeing.

Is 4-Chlororesorcinol classified as hazardous?

1% of GHS notifications report no hazard classification (1 of 103).

What are the key physical properties of 4-Chlororesorcinol?

Vapor Pressure: 0.0012 [mmHg]; LogP: 1.8.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.