NAME: ANTU

SYNONYM(s): alpha-Naphthyl thiourea; alpha-Naphthyl thiocarbamide; 1-Naphthyl-thiourea; N(1-Naphthyl)-2-thiourea; Alphanaphthyl Thiourea

IMIS: 0235

CAS: 86-88-4

NIOSH: RTECS YT9275000; 86993

DOT: UN1651 Poison

DESCRIPTION:

Colorless, odorless solid.
MW: 202
BP: Decomposes
VP: approx. 0 mm
MP: 388 F

INCOM: Strong oxidizers

OSHA GENERAL INDUSTRY PEL: 0.3 mg/m3

OSHA CONSTRUCTION INDUSTRY PEL: 0.3 mg/m3 TWA

ACGIH TLV: 0.3 mg/m3 TWA; Appendix A4 (Not Classifiable as a Human Carcinogen)

NIOSH REL: 0.3 mg/m3 TWA

IARC: Group 3, not classifiable as to its carcinogenicity to humans (alpha-Naphthylthiourea)

SYMPTOM(s): Vomiting; dyspnea; cyanosis; coarse pulmonary rales; mild liver damage

HEALTH EFFECTS: Cumulative Endocrine (thyroid and adrenal) damage (HE3) LD50 (oral, rat) 6 mg/kg; SKIN IRR: Eczema

ORGAN: Respiratory system

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA:
Polytetrafluoroethylene (FA) Filter, 1.0 micron
ANL SOLVENT: Methanol
MAX V: 480 Liters   MAX F: 2.0 L/min
ANL 1: High Performance Liquid Chromatography; HPLC/UL58.
REF: 1 (NIOSH S-276)
SAE: 0.09
CLASS: Fully Validated

COND: Column: C18 Mobile Phase: 50:50 Methanol: Water Detector Wavelength: 254nm Detection Limit: 0.13 mg/m3
WIPE:
Yes, with Glass Fiber Filter. SOLVENT: Dry
BULK METHOD:
Limit the amount of bulk submitted to one gram or one mL.