BROMO CRESOL PURPLE

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0 Metric Ton	Negotiable

0 Metric Ton

Negotiable

Min.Order :0 Metric Ton
Purity: 99

Keywords

Cas No 115 - 40 - 2 BROMO CRESOL PURPLE

Quick Details

Appearance:light pink to Buff powder
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PRODUCT NAME : BROMO CRESOL PURPLE

C.A.S, NO. : 115 - 40 - 2

M .Formula : C21H16Br2O5S

TEST LIMIT RESULT

1. Appearance (light pink to Buff powder) (Passes test)

2. Transition range pH 5.2 - 6.8 (Passes test)

Greenish yellow - Bluish violet

3. Solubility 0.1% (EtOH) Clear golden yellow solution (Passes test)

4. Absorptivity 1%, lcm,

(pH 5.2) at A max, 431.8 nm (400 - 450) 439

(pH 6.8) at A max. 588.2 nm (1000 - 1100) 1073

5. Dye content by Spectrophotometry (> 95%) 97.5 %

6. Loss on drying at 110°C (lhr) (< 1%) 0.83 %

C₂₁H₁₆Br₂O₅S

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