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Methyl Red (C.I. 13020)(Reag. USP, Ph. Eur.) for analysis, ACS

2-[4-(Dimethylamino)Phenylazo]Benzoic Acid, AcidRed 2

Code
131617
CAS
493-52-7
Molecular Formula
C15H15N3O2
Molar mass
269.31 g/mol

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

code packaging size price per unit box price per unit
Code & packaging Price per piece
131617.1606
code
131617.1606
packaging size
25 g
Product discontinued. Alternative 131617.1608 (please check specifications).
131617.1608
code
131617.1608
packaging size
100 g
price per unit
single $280,95
box price per unit
$238,81x 6 units
molecule for: Methyl Red (C.I. 13020)(Reag. USP, Ph. Eur.) for analysis, ACS
Melting Point:
179 °C
Solubility:
water 0.1 g/l at 20 °C
alcohol 2 g/l
Physical Description:
solid
Product Code:
131617
Product Name:
Methyl Red (C.I. 13020)(Reag. USP, Ph. Eur.) for analysis, ACS
Quality Name:
for analysis, ACS
Headline Comment:
pH indicator 4,2 red; 6,2 yellow
Specifications:
Identity: IR passes test
A 1% , 1 cm, λ 1 max. (calc. a.d.s.): >1500
A 1% , 1 cm, λ 2 max. (calc. a.d.s.): >670
A 1% , 1 cm, λ 3 max.: >750
λ of max. ABS: 525 - 528 nm
λ of max. ABS: 430 - 434 nm
λ of max. ABS in C2H5OH: 490 - 495 nm
Melting range: 179-182°C
Range of Transition interval according to ACS: passes test
T.L.C.: passes test

Maximum limit of impurities
pH transition interval: red: 4.2
pH transition interval: yellow: 6.2
Insoluble matter in C2H5OH: passes test
Loss on drying at 110°C: 5%
Residue on ignition (as SO4): 2 %
WGK:
2
Storage:
Room Temperature.
Master Name:
Methyl Red *(C.I. 13020)
Synonyms Long Text:
2-[4-(Dimethylamino)Phenylazo]Benzoic Acid, AcidRed 2
EINECS:
207-776-1
CS:
29270000
Download TDS file for complete specifications

FAQs

What is the CAS number of Methyl Red?

The CAS number of Methyl Red is 493-52-7.

CAS Methyl Red?

The CAS number of Methyl Red is 493-52-7.

CAS 493-52-7?

The CAS number 493-52-7 is assigned to Methyl Red.