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alpha-naphtholbenzein (c15-1215-760)

ALPHA-NAPHTHOLBENZEIN INDICATOR GRADE (C005B-018491)

Catalog No.
C005B-018491
Manufacturer No.
291099-25G
Manufacturer Name
Sigma-Aldrich
Quantity
25
Unit of Measure
GR

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α-Naphtholbenzein is a dye belonging to the Benzein family insoluble in water and soluble in alcohol. α-Naphtholbenzein is primarily used as an indicator for pH range 8.

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General description

α-Naphtholbenzein is a dye belonging to the Benzein family insoluble in water and soluble in alcohol. α-Naphtholbenzein is primarily used as an indicator for pH range 8.2-10.0 (mostly in acid-base titrations), causing a color change for the neutral solutions turning alkaline. Its applications include detection of bacterial growth in packed food, viable cells, enzymes, ammonia odors in patients with bacterial infection, and many more.

Application

α-Naphtholbenzein has been used as an indicator during sequential injection analysis technique done for acid-base titrations.

Molecular Weight: 374.43. Empirical Formula: C27H18O2. grade: indicator grade. Quality Level: 100. form: powder. mp: 230-235 . °C (lit.). ε (extinction coefficient): ≥. 50000 at 207-213 . nm in methanol at 0.01 . g/L. application(s): diagnostic assay manufacturing
hematology
histology. storage temp.: room temp. SMILES string: Oc1ccc(\C(c2ccccc2): C3\C: CC(: O)c4ccccc34)c5ccccc15. InChI: 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24-. InChI key: VDDWRTZCUJCDJM-PNHLSOANSA-N. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves.
UPC:
51131508
Condition:
New
HazmatClass:
No
MPN:
291099-25G
CAS:
145-50-6

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