Par-indicator,mono sod. Hydrate, Synonyms- P.A.R., CAS No. 16593-81-0, MSDS, Stains and Indicators Manufacturer, Exporter, Supplier, Mumbai, India| Unisource Chemicals Pvt. Ltd.

Specification

Product Name

4-(2-PYRIDYLAZO)RESORCINOLMONOSODIUM
SALT (PAR)

Synonyms

P.A.R.

CAS NO.

16593-81-0

Molecular Formula

C₁₁H₈N₃NaO₂.H₂O

Formula Weight

255.21

Appearance

Dark-Orange to Brown Powder

Structure

Tests

Limits

Absorption Maximum (Dist. water) λ max.

- 410 - 413nm

Absorptivity (A1%/1cm in dist. Water,
at λ max on dried substance)

- > 1100

Loss on drying (110°C)

- < 8%

Suitability as metal indicator

- To Passes Test

REVISED: 1-1-2012