Product Technical Specification:
GSP DYES & CHEMICALS PVT LTD
CERTIFICATE OF ANALYSIS
PRODUCT : BROMO THYMOL BLUE
C.A.S.NO. : 76 - 59 - 5
BATCH NO. : BTB - 12/38
Tests |
Results |
(Limit/STD) |
Appearance |
Light pink powder |
(Passes test) |
Transition Range |
pH 5.8 - 7.6
Yellow - Blue |
(Passes test) |
Solubility 0.1% (EtOH) |
Clear solution |
(Passes test) |
Absorptivity 1% 1cm,(pH 5.8) at max. 431.2 nm (pH 7.6) at max. 616.0 nm |
292 / 507 |
(260 - 300) / (470 - 520) |
Dye content by Spectrophotometry |
97.5% |
(>95%) |
Loss on drying at 110°C (1hr) |
1.83% |
(<3%) |
Mfg.Date:DEC - 2018
Exp.Date:NOV - 2024