NAME: o-Dianisidine
SYNONYM(s): 3,3'-Dimethoxybenzidine
IMIS: 0873
CAS: 119-90-4
NIOSH: RTECS DD0875000; 14665
Exposure Limits
Health Factors
IARC: Group 2B, possibly carcinogenic to humans
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: Coated Glass Fiber Filters (37 mm) in 3 piece cassette. Coating is Sulfuric Acid.
MAX V: 100 Liters MAX F: 1.0 L/min
ANL 1: Gas Chromatography; GC/ECD
REF: 2 (OSHA 71)
SAE: 0.13
CLASS: Fully Validated
NOTE: Within ten hours after sampling, transfer filter to glass vial containing 2 mL deionized water. Sample must be shipped and stored at 0 deg C or colder.Analyze as soon as possible. Filters may be obtained by OSHA personnel from SLTC.
COND: C18 column; 55% methanol 45% water; 1 mL/min; UV det: 313, 280; Fluor. Exc. 267; Em 389; Retention time, 14 min; DL 5 ng/inj.; C/P DBA
WIPE:
Yes, with Glass Fiber Filter.
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.
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