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METHYL RED INDICATOR AR/ACS

SYNONYMS : 2-(N,N-DIMETHYL-4-AMINOPHENYL)AZOBENZENECARBOXYLIC ACID, C.I. ACID RED 2

Article No.	04675
Grade	AR/ACS
Purity
CAS No.	493-52-7
Molecular Formula	C₁₅H₁₅N₃O₂
Molecular Weight	269.31
H.S. Code	2927.0000
Shelf Life	5 Years

C.I.No.13020

Specifications
Appearance	Dark red powder
Identity	Passes test
Melting range	179 - 182 deg C
pH transition range (4.4 - 6.2)	Red - yellow orange
Transition interval according to ACS	Passes test
Insoluble matter in ethanol (1 gm/l)	Passes test
Absorption maxima (buffer pH 4.5)	523 - 526 nm
Absorption maxima (buffer pH 6.2)	427 - 437 nm
Loss on drying (at 110 deg C)	Max 5%
Residue on ignition (as SO4)	Max 2%

Packings
00025 25 g	Request for price Request for price Product Name Product Name Quantity 500ml Your Name E-mail ID Phone Number Enquiry
00100 100 g	Request for price Request for price Product Name Product Name Quantity 500ml Your Name E-mail ID Phone Number Enquiry
01000 1000 g	Request for price Request for price Product Name Product Name Quantity 500ml Your Name E-mail ID Phone Number Enquiry

Safety Information and Hazard Symbols

Safety Statement: 22-24/25

Revision Date : 10-May-2013