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Product NITRAZINE YELLOW C.I. NO. 41890 CAS No 5423-07-4 Characteristics Specification Analysis Result Appearance BROWN POWDER BROWN POWDER UV DATA E@589nm > 35,000 38000 Solubility Clear yellow –brown to red At PH 6.0 Bright yellow At PH 7.2 bright blue (1 mg/ml in H2O)
PRODUCT NAME : AZURE B CAS NO. : 531-55-5 M.FORMULA : C15H16CIN3S M.WT : 305.83
Test Specification RESULT
Solubility 0.1% (dist water) Clear Blue soltion Passes test
Absorptivity 1%/1cm.In At 645-650nm.=1600 Min At 649.0nm.=1614
Assay by spectrophotometry 80% Min 80.70%
Loss on drying at 1100C (1 hrs) (<5%) 3.31%
PRODUCT NAME : MUREXIDE Synonyms : 5,5'Nitrilobarbituric Acid Monoammonium Salt CAS NO. : 3051-09-0 Molecular Formula : C8H8N6O6 Formula Weight : 284.19 Appearance : Red Purple Powder Structure :
TESTS LIMITS RESULTS
PRODUCT NAME : ORANGE G CAS NO. : 1936-15-8 C.I. NO. : 16230 4
TESTS Results (Limit/STD)
2. Solubility 0.1% (dist. water) - Clear orange solution (Passes test)
Dye content by spectrophotometry98.2%
PRODUCT NAME : SUDAN IV
Synonym : Solvent Red 24,
C.I. NO. : 26105
Molecular Formula : C24H20N4O
Dye content (Titanometric) : ~60% Passes
Loss on Drying : 5% 2.3%
PRODUCT NAME : ANTHRONE
Synonym: 9(10H)-Anthracenone
CAS NO. : 90-44-8
Molecular Weight : 194.24
Melting Range 155C – 158C 158C
Assay (On Dried Basis) NLT – 98.0% 99.07%
PRDODUCT NAME : NINHYDRIN Molecular Formula : C9H6O4 Molecular Weight : 178.14 Physical Appearance : Yellowish Crystalline Powder
STRUCTURE :
PH of 1% Solution 4.5(Standard 4.2 to 5.5) Passes Test
Solubility 0.1 gm in 10 ml water (Clear pale yellow solution) Passes Test 1 gm in 10 ml 2 – Methoxy Ethanol Clear Solution
PRODUCT NAME : SUDAN III
Synonym: Solvent Red 23
C.I. NO. : 26100
Chemicals Formula : C22H16N4O
Appearance Dark Red Powder Passes
Absorptivity 1%/1cm, 890 > 870 at max 509.0nm
PRODUCT NAME : CRESOL RED Synonyms : o-Cresolsulfonphthalein CAS NO. : 1733-12-6 Molecular Formula : C21H18O5S Formula Weight : 382.44 Appearance : Dark Brown Powder
TESTS LIMITS RESULTS Transition range pH 0.5 to pH 2.5(Pink- Yellow) Passes Test pH 6.5 to pH 8.8 (Yellow- Purple)
Solubility 0.1% (95%EtOH) Clear Yellow Solution Passes Test
Absorptivity 1%/1cm, (pH 6.5 at) Max.435.8nm 490-540 520 (pH 8.8 at) Max.573.0 nm 1000-1100 1062
Dye content by Spectrophotometry >95% 96.50%
Loss on Drying at110°C (1hr) <3% 1.85%
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