Hydroquinone (USP) pure, pharma grade

Melting Point:

170 °C

Boiling Point:

287 °C

Solubility:

water 70 g/l at 20 °C

Physical Description:

solid
White crystals, turns to grey on exposure to air and light

Product Code:

141351

Product Name:

Hydroquinone (USP) pure, pharma grade

Quality Name:

pure, pharma grade

Specifications:

Assay (calc. a.d.s.): 99.0-100.5%
Identity according to Pharmacopoeias:: passes test
Melting range: 172-174°C

Maximum limit of impurities
Insoluble matter in H2O: passes test
Residue on ignition (as SO4): 0.1 %
Sulfate (SO4): 0.05%
Residual solvents (Ph.Eur/USP): passes test
Pyrocatechol: 0.05%
Water (H2O): 0.5 %
Heavy metals (as Pb): 0.002%
Residual metals ICP: (according to EMEA/CHMP/SWP/4446/2000)
Class 1A (Pt, Pd): 10 ppm
Class 1B (Ir, Rh, Ru, Os): 10 ppm
Class 1C (Mo, Ni, Cr, V): 25 ppm
Class 2 (Cu, Mn): 250 ppm
Class 3 (Fe, Zn): 1,300 ppm

Pittogrammi di pericolo

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UN:

3077

Class/PG:

9/III

ADR:

9/III

IMDG:

9/III

IATA:

9/III

WGK:

1

Storage:

Room Temperature.

Signal Word:

Danger

GHS Symbols:

GHS07
GHS08
GHS05
GHS09

H Phrases:

H302
H351
H318
H317
H341
H400

P Phrases:

P202
P261
P264
P270
P272
P273
P280
P281
P301+P312
P302+P352
P305+P351+P338
P308+P313
P310
P321
P330
P333+P313
P363
P391
P405
P501

Master Name:

Hydroquinone

Synonyms Long Text:

1,4-Benzenediol, 1,4-Dihydroxybenzene

EINECS:

204-617-8

CS:

29072200

Index Nr.:

604-005-00-4

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