C.I. Pigment Red 88

Also known as: Pigment Red 88, 4,7-Dichloro-2-(4,7-dichloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one, (2Z)-4,7-Dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one, 4,4',7,7'-Tetrachlorothioindigo, 4,4',7,7'-Tetrachloro-Δ2,2'(3H,3'H)-bi[benzo[b]thiophene]-3,3'-dione, C.I. 73312, Cromophtal Bordeaux R, Cromophtal Bordeaux RN, Cromophtal Bordeaux RS, Permanent Red Violet MR, PV Red Violet MR, Paliogen Red Violet L 4982, Paliogen Red Violet L 5080, Thioindigo Bordeaux, EINECS 238-222-7

C.I. Pigment Red 88 (CAS 14295-43-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H4Cl4O2S2 and a molecular weight of 434.14400 g/mol. Key properties include a boiling point of 526.4ºC at 760mmHg, a density of 1.81g/cm3 and a flash point of 272.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14295-43-3
Jingsj CID: J-1962587-7
Molecular Formula: C₁₆H₄Cl₄O₂S₂
Molecular Weight: 434.14400 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	526.4ºC at 760mmHg
Density	1.81g/cm3
Flash Point	272.2ºC
Exact Mass	431.84100
PSA	84.74000
LogP	6.78880
Vapor Pressure	3.58E-11mmHg at 25°C
Refractive Index	1.788

Activity & Biological Data

Additional Information	[1]. Thornley D G C. Pigments, Plastics and Progress. Journal of the Society of Dyers and Colourists, 1970, 86(1): 13-19.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of C.I. Pigment Red 88?

The CAS number of C.I. Pigment Red 88 is 14295-43-3.

What are the molecular formula and molecular weight of C.I. Pigment Red 88?

C.I. Pigment Red 88 has molecular formula C16H4Cl4O2S2 and molecular weight 434.14400 g/mol.

What are the upstream and downstream products of C.I. Pigment Red 88?

For C.I. Pigment Red 88, Upstream Products: 2-[(2,5-Dichlorophenyl)thio]acetic acid, 1,4-Dichlorobenzene, 2,5-Dichlorobenzenethiol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "C.I. Pigment Red 88 (CAS 14295-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962587-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.