1,1'-Biphenyl-2-ol
2-Biphenylol
2-Hydroxybiphenyl
C12H10O / C6H5C6H4OH
Molecular mass: 170.2
ICSC # 0669
CAS # 90-43-7
RTECS # DV5775000
EC # 604-020-00-6
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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.
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NO open flames.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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PREVENT DISPERSION OF DUST!
STRICT HYGIENE!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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See Ingestion.
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Avoid inhalation of fine dust and mist.
Ventilation (not if powder), local exhaust, or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Redness.
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Safety goggles,
or
face shield.
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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 cramps.
Abdominal pain.
Cough.
Laboured breathing.
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P2 filter respirator for harmful particles.
Do NOT wash away into sewer.
Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
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Separated from
strong oxidants,
strong bases.
Keep in a well-ventilated room.
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Xi symbol
N symbol
R: 36/37/38-50
S: 2-22-61
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Important Data
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Physical State; Appearance:
WHITE
CRYSTALS.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
Reacts
with
strong bases
and
strong oxidants
.
Occupational Exposure Limits:
TLV not established.
MAK: IIb (not established but data is available); (DFG 2007).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
The substance
irritates
the eyes,
the skin
and
the respiratory tract.
The substance may cause effects on the
cardiovascular system
,
gastrointestinal tract
,
kidneys
,
liver
and
lungs
, resulting in respiratory failure, tissue lesions and haemorraghes.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
kidneys
, resulting in
tissue lesions
.
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Physical
Properties
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Boiling point: 286°C
Melting point: 58-60°C
Relative density (water = 1): 1.2
Solubility in water:
none
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Vapour pressure, kPa at 163°C: 2.7
Flash point: 124°C c.c
Auto-ignition temperature: 530°C
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Environmental
Data
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The substance is toxic to aquatic organisms.
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N O T E S
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Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
Card has been partly updated in October 2005. See section EU classification.
NFPA Code: H 1; F 1; R 0;
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ADDITIONAL INFORMATION
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ICSC: 0669
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o-PHENYLPHENOL
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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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