Chemnovo Synthesis Pvt. Ltd.

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Chemnovo Synthesis Pvt. Ltd. - Driven by Chemistry, Defined by Precision

Product Datasheet and Specification

01782A

1-Naphtholphthalein (pH Indicator)

1-naphtholphthalein

CAS : 596-01-0

HS Code : 3204.90000

Molecular Formula : C28H18O4

Molecular Weight : 418.45

Shelf Life : 60 Months

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Appearance Light Pink to Beige to Red-Brown Powder	Loss on drying (at 105°C) Max 5%
pH transition range (7.1 - 8.3) Brownish pink to blue	Absorption maxima (Buffer pH 7.1) 471 - 485 nm
Absorption maxima (buffer pH 8.3) 649 - 654 nm