PHENOL RED SODIUM SALT AR/ACS |
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HomeLaboratory ChemicalspH Indicator (Solid) |
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SYNONYMS : PHENOLSULFONEPHTHALEIN SODIUM SALT |
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Article No. |
5182A |
Grade |
AR/ACS |
Purity |
90% |
CAS No. |
34487-61-1 |
Molecular Formula |
C19H13NaO5S |
Molecular Weight |
376.36 |
H.S. Code |
2934.9900 |
Shelf Life |
5 |
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Specifications |
Appearance |
Red to very dark red powder |
Dye content |
Min 90% |
Absorption maxima (?1) (c = 0.01g/L; Methanol) |
422 - 426 nm |
Extinction Coefficient |
Min 19000 |
Absorption maxima (?2) |
265 - 269 nm |
Extinction Coefficient |
Min 9000 |
Clarity of Solution c = 0.1g/100 ml; Water |
Passes test |
Visual Interval : |
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pH 6.8 |
Yellow with Green Tint |
pH 7.0 |
Orange |
pH 8.2 |
Red |
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Safety Information
and Hazard Symbols |
Symbol: GHS07 Signal Word: Warning Hazardous Statement: H315-H319-H335 Precaution Statement: P261-P305 + P351 + P338 |
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Revision Date
: 28-Feb-2014 |
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