Thymol Blue pH Indicator AR/ACS CAS No 76-61-9 (57755)

THYMOL BLUE pH INDICATOR AR/ACS

(acid range)

Violet red – Brownish yellow

(alkaline range)

yellow or greenish yellow – Blue

λ1 (pH 1.2)

λ2 (pH 2.8)

λ3 (pH 7.8)

λ4 (pH 9.5)

543 – 547 nm

431 – 436 nm

431 – 436 nm

594 – 598 nm

λ1 (pH 1.2)

λ2 (pH 2.8)

λ3 (pH 7.8)

λ4 (pH 9.5)

400 – 500

200 – 300

200 – 300

450 – 550

WARNING

Hazard statements: Not hazardous. No hazards.

Precautionary statements

Prevention: ———————————————-

Response: ————————————————

UN No.        : —

IATA             : —