Alizarin Red S, 70+% (Dye Content), 25g

Description

Alizarin Red S, 70+% (Dye Content), 25g
For Research & Development
Not for drug, human, animal, or food use
Specifications:
Appearance (Color) Yellow to orange to brown
Appearance (Form) Powder
Identification (IR) Conforms to structure and standard
Assay (Dye Content) 70+%
Loss on Drying @ 110 °C 6% maximum
Spectroscopy Peak 596nm, ratio 0.98 @ 542/572nm Density @ peak 0.579 au
Solubility (0.1% in H
2
O) Clear yellow solution
Solubility (1.0g/L in H
2
O) 6 NTU
Visual Transition Interval From pH 3.5 (yellow) to pH 6.5 (pink) and from pH 9.4 (orange-brown) to pH 12.0 (violet)
Satisfactory in: Dahl's method for staining soft tissue calcification.
Synonyms: C.I. 58005
CAS:
130-22-3
FORMULA:
C
14
H
7
NaO
7
S
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.
Note: eBay please do not delist.