中文CAS RN:143-74-8 | D1022 Iris
Phenol Red
Synonyms: Phenolsulfonphthalein
Molecular Formula:C19H14O5S
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Molecular Weight:354.38
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EC Number:205-609-7
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Grade:Indicators
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CAS #:143-74-8
Phenol Red view.doc_link
Grade :
Indicators
Pricing and Packaging
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General Information
| Product Name | Phenol Red |
|---|---|
| Synonyms | Phenolsulfonphthalein |
| CAS RN | 143-74-8 |
| Molecular Formula | C19H14O5S |
| Molecular Weight | 354.38 |
| MDL Number | MFCD00003552 |
| EC Number | 205-609-7 |
| HS Number | 2934 99 90 |
Specification
| Transition Interval(PH) | 1.2(orange)-3.0(yellow), 6.5(brownish yellow)-8.0(red violet) |
|---|---|
| Lambda Max. | 503ï½506nm(pH1.2), 430ï½435nm(pH3.0),430ï½435nm(pH6.5), 557ï½560nm(pH8.0) |
| Mass absorptivity | 110ï½123 L/(cm.g)(pH1.2), 60ï½68 L/(cm.g)(pH3.0), 62ï½72 L/(cm.g)(pH6.5), 115ï½130 L/(cm.g)(pH8.0) |
| Solubility in Sodium Hydroxide Solution | to pass test |
| Loss on drying | ≤ 1.0% |
| Sulfated ash | ≤ 0.2% |
GHS
| Pictogram: |
 |
|---|---|
| Signal Word: | Warning |
| Hazard Statements: | H315 H319 |
| Precautionary Statements: | P264 P280 P302+P352 P321 P332+P317 P362+P364 P305+P351+P338 P337+P317 |
Supporting Documentation
Phenol Red-CAS 143-74-8 - Specification Sheet
| Title |
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| Specification Sheet |
Phenol Red-CAS 143-74-8 - Certificates of Analysis
| Catalog Number | Lot Number |
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Phenol Red-CAS 143-74-8 - Safety Data Sheet
| Title |
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| Safety Data Sheet |
References
| Colour Index Number | |
|---|---|
| Merck Index(14) | 7247 |
| RTECS# | |
| More Synonyms |
Phenolsulfonphthalein; Sulfonphthal;3,3-Bis(p-hydroxyphenyl)-3-H-2,1-benzoxathiol-1,1-dioxide;PSP; C19H14O5S; CAS:143-74-8 |