NAME: Direct Brown 95
IMIS: D137
CAS: 16071-86-6
NIOSH: RTECS GL7375000; 26972
Exposure Limits
Health Factors
IARC:
Benzidine Based Dyes - Group 2A, probably carcinogenic to humans
(Technical-Grade)
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Glass Fiber Filter (37 mm) without backup pad
MAX V:
100 Liters MAX F:
1.0 L/min
ANL 1:
High Performance Liquid Chromatography; HPLC/UV/VIS
REF:
2 (OSHA In-house file)
CLASS:
Partially Validated
COND:
Special solvent extraction; u Bondapak C18; solvent programming,
Initial 20% B - 30 min. to 80% B, A = 0.25 g Na2HPO4, 1.7 g TBAP,
60% water, 40% methanol, B = 0.25 g Na2HPO4, 1.7 g TBAP, 25% water
74% methanol; 1 mL/min; UV det: 436,546; DL 4.6 ng/inj; C/P DBA
WIPE:
Yes, with Glass Fiber Filter.
BULK METHOD:
For any dye analysis, a bulk sample of the dye must be sent to the
SLCAL. Limit the amount of bulk submitted to one gram or approx.
one mL. Protect samples from light and heat.
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