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Cresol Red

CAS 1733-12-6C21H18O5SMW 382.4

Cresol Red (CAS No. 1733-12-6) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number1733-12-6
Molecular FormulaC21H18O5S
Molecular Weight382.4
LogP3.7
Purity按批次COA提供(不公开发布)
Packaging按订单/批次确认(不公开发布)
ApplicationsOrganic Chemicals
CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)
Purity按批次COA提供(不公开发布)
StorageSealed, cool and dry place
Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of Cresol Red?

The CAS number of Cresol Red is 1733-12-6.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of Cresol Red?

Main applications include Organic Chemicals.

How do I buy Cresol Red or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

Cresol Red · CAS 1733-12-6 · C21H18O5S. UNII 839K2R4B8K.

Identification

CAS Registry Number1733-12-6
PubChem CID73013
Molecular formulaC21H18O5S
IUPAC name4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-2-methylphenol
UNII (FDA)839K2R4B8K

Computed Descriptors

Molecular Weight382.4
XLogP33.7
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass382.08749484
Monoisotopic Mass382.08749484
Topological Polar Surface Area92.2
Heavy Atom Count27
Formal Charge0

Physical description & handling notes

  • Reddish-brown solid; [Merck Index] Reddish-brown or green odorless solid; [CHEMINFO] Crystalline solid; [MSDSonline]

Regulatory Status

GHS notification summary6.5% (3 / 46)

GHS Hazard Classification

GHS notification summary6.5% (3 / 46)
Reported hazard statementsH315 (91.3%), H319 (91.3%), H335 (91.3%)

This chemical does not meet GHS hazard criteria for 6.5% (3 of 46) of reports.

H315 (91.3%): Causes skin irritation [Warning Skin corrosion/irritation]

Documented Uses

  • Used as acid-base indicator; [Merck Index] Color changes to red-yellow (pH 0.5-2.5) and orange-purple (pH 6.5-8.5); [Ullmann]
  • Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-: ACTIVE

Synonyms

Cresol red; 1733-12-6; o-Cresolsulfonphthalein; o-Cresol Red; Cresolsulfophthalein; o-Cresolsulfonephthalein; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-; 3',3''-Dimethylphenolsulfonephthalein; NSC 7224; NSC-7224; 839K2R4B8K; DTXSID8061929; CHEBI:86218; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(2-methyl-; RefChem:579417; DTXCID5035531

Frequently Asked Questions

What are the CAS number and molecular formula of Cresol Red?

CAS 1733-12-6; molecular formula C21H18O5S; molecular weight — g/mol.

What other names is Cresol Red known by?

Cresol red, 1733-12-6, o-Cresolsulfonphthalein, o-Cresol Red, Cresolsulfophthalein, o-Cresolsulfonephthalein.

Is Cresol Red classified as hazardous?

6.5% of GHS notifications report no hazard classification (3 of 46).

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.

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