Dibenzothiazine
Thiodiphenylamine
C12H9NS
Molecular mass: 199.3
ICSC # 0937
CAS # 92-84-2
RTECS # SN5075000
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
STRICT HYGIENE!
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•Inhalation
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Cough.
Sore throat.
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Ventilation (not if powder), local exhaust, or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
Pain.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
Pain.
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Face shield,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Abdominal pain.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
(Extra personal protection: P2 filter respirator for harmful particles).
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Separated from
acids.
Keep in the dark.
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Important Data
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Physical State; Appearance:
YELLOW CRYSTALS.
TURNS DEEP GREEN ON Exposure TO LIGHT.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating,
on contact with acids,
producing toxic and irritating fumes including nitrogen oxides and sulfur oxides.
Occupational Exposure Limits:
TLV: 5 mg/m3 (as TWA) (skin) (ACGIH 1996).
OSHA PEL: none
NIOSH REL: TWA 5 mg/m3 skin
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation,
through the skin and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.
Effects of Short-Term Exposure:
The substance
irritates
the eyes
,
the skin
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact with skin may cause dermatitis.
Repeated or prolonged contact may cause skin sensitization as well as photosensitization.
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Physical
Properties
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Boiling point (decomposes): 371°C
Melting point: 185.1°C
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Solubility in water: none
Octanol/water partition coefficient as log Pow: 4.2
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Environmental
Data
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N O T E S
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Agrazine, Antiverm, Contaverm, Lethelmin, Nemazene, Padophene and Phenoverm are trade names.
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ADDITIONAL INFORMATION
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ICSC: 0937
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PHENOTHIAZINE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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