1.11748
Phenol red sodium salt
pH indicator, ACS
Synonym(s):
Phenol red sodium salt
About This Item
product name
Phenol red sodium salt, indicator ACS
grade
ACS reagent
Quality Level
loss
≤8.0% loss on drying, 110°C
visual transition interval
1.2-3.0, brown-orange to yellow(1st transition range)
6.5-8, brownish-yellow to red-violet(2nd transition range)
mp
285 °C
storage temp.
2-30°C
InChI
1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19;/h1-12,20-21H;/q;+1/p-1
InChI key
HKHYOKBQJILTEI-UHFFFAOYSA-M
Related Categories
Analysis Note
2nd transition range: pH 6.5 - pH 8.0brownish yellow - red violet
Appearance of solution: passes test
Loss on drying (110 °C): ≤ 8.0 %
Transition range (according to ACS): passes test
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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