1,2-NAPHTHOQUINONE-4-SULPHONIC ACID SODIUM SALT AR

1,2-NAPHTHOQUINONE-4-SULPHONIC ACID SODIUM SALT AR
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
N0140800025 AR 97% 521-24-4 C10H5NaO5S 260.20 2914.7990
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Brownish yellow

Odour

Odorless

Melting Point/ Freezing point [°C]

289 °C

Viscosity at 40°C [mm2/s]

45 g/l (20°C)

Solubility in water [% weight]

45 g/l (20°C)

Specifications

Appearance:

 Brownish yellow powder

Sulphate (SO4):

 Max 0.05%

Loss on drying (at 105°C) :

 Max 1%

Assay:

 Min 97%

Total nitrogen (N):

 Max 0.05%

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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