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METHYL ORANGE INDICATOR ACS

HomeLaboratory ChemicalspH Indicator (Solid)
SYNONYMS :  SODIUM 4-[(4-DIMETHYLAMINO)PHENYLDIAZENYL]BENZENESULPHONATE
 
Article No. 04670
Grade ACS
Purity 95%
CAS No. 547-58-0
Molecular Formula C14H14N3NaO3S
Molecular Weight 327.33
H.S. Code 2927.0000
Shelf Life 5 Years

 
C.I.No.13025
 
Specifications
Appearance Yellowish-orange colored powder
Dye content Min 95%
Solubility 0.1% in water Clear solution
transition range (pH 3.1 - 4.4) Pink -Orange-Yellow
Absorption maxima (pH 3.1) λ1 Max. 501 - 504 nm
Absorption maxima (pH 4.4) λ2 Max. 467 - 471 nm
Absorptivity maximum (A1%/1 cm at pH 3.1, at λ1 max) 1050 - 1150
Absorptivity maximum (A1%/1cm at pH 4.4, at λ2 max) 750 - 850
Loss on drying (at 110 deg C) Max 3%
Packings
00025    25 g
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00100    100 g
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01000    1000 g
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Safety Information and Hazard Symbols
Symbol: GHS06
Signal Word: Danger
UN No.: 3143
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H301
Precaution Statement: P301 + P310
 
Revision Date : 14-Dec-2013