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Phenol Red

Catalog No. 114529 Name Sigma Aldrich
CAS Number 143-74-8 Website http://www.sigmaaldrich.com
M. F. C19H14O5S Telephone 1-800-521-8956
M. W. 354.37646 Fax
Purity Email
Storage Chembase ID: 102684

SYNONYMS

Title
酚红
IUPAC name
3,3-bis(4-hydroxyphenyl)-3H-2,1λ6-benzoxathiole-1,1-dione
IUPAC Traditional name
phenol red
Synonyms
酚磺酞
Phenolsulfonphthalein

DATABASE IDS

Beilstein Number 326470
PubChem SID 24847179
CAS Number 143-74-8
EC Number 205-609-7
MDL Number MFCD00003552

PROPERTIES

Clarity of solution passes test
Empirical Formula (Hill Notation) C19H14O5S
Grade ACS reagent
Visual Transition Interval 6.8 - 8.2, yellow to red
Absorption Wavelength λmax 360 nm
Absorption Wavelength λmax 557 nm (2nd)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
RTECS SJ7490000
Safety Statements 26
German water hazard class 3

DETAILS

Description (English)
Application
Suitable for use as a pH indicator.
Packaging
5, 25 g in glass bottle
Description (简体中文)
Application
适于用作 pH 指示剂。
包装
5, 25 g in glass bottle

REFERENCES