-40%

Hydroquinone, Photo Grade, Powder, 99+%, 250g

$ 25.31

Availability: 9976 in stock

Description

Hydroquinone, Photo Grade, Powder, 99+%, 250g
For Research & Development
Not for drug, human, animal, or food use
Specifications:
Assay, % 99.40-101.00
Water (Karl Fischer), % 0.60 Maximum
Iron (as Fe),ug/g 10 Maximum
pH 4.10-4.70
Yellowness Index 35.0 Maximum
Absorptivity @700 nm, mL/g-cm 0.070 Maximum
Absorptivity @ 520 nm, mL/g-cm 0.120 Maximum
Absorptivity @ 455 nm, mL/g-cm 0.190 Maximum
Appearance Free-Flowing White Crystals
CAS:
123-31-9
FORMULA:
C
6
H
4
-1,4-(OH)
2
This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations,
which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742.
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