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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

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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
price per unit
single $59,85
box price per unit
$50,87x 6 units
131617.1608
code
131617.1608
packaging size
100 g
price per unit
single $170,10
box price per unit
$144,59x 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