1.11748
Phenol red sodium salt
pH indicator, ACS
别名:
Phenol red sodium salt
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关于此项目
经验公式（希尔记法）:
C19H13NaO5S
化学文摘社编号:
分子量:
376.36
UNSPSC Code:
12171502
EC Index Number:
252-057-8
NACRES:
NA.21
MDL number:
产品名称
Phenol red sodium salt, indicator ACS
SMILES string
[Na+].[S]1(=O)(=O)OC(c4c1cccc4)(c3ccc(cc3)[O-])c2ccc(cc2)O
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
grade
ACS reagent
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
Quality Level
Analysis Note
1st transition range: pH 1.2 - pH 3.0brownish orange - yellow
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
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
signalword
Warning
hcodes
Hazard Classifications
Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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