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ICSC: 1164 O9' Pr NIOSH RELs and NIOSH IDLH values. I) <br /> _ 11-1 <br /> International Chemical Safety Cards <br /> METHYL TERT-BUTYL ETHER ICSC: 1164 <br /> I PHYSICAL STATE;APPEARANCE: ROUTES OF EXPOSURE: <br /> COLOURLESS LIQUID ,WITH CHARACTERISTIC The substance can be absorbed into the body by <br /> M ODOUR. inhalation and by ingestion. <br /> P PHYSICAL DANGERS: INHALATION RISK: <br /> The vapour is heavier than air and may travel along the A harmful contamination of the air can be reached rather <br /> O ground;distant ignition possible. quickly on evaporation of this substance at 20°C. <br /> R CHEMICAL DANGERS: EFFECTS OF SHORT-TERM EXPOSURE: <br /> Reacts violently with strong oxidants causing fire hazard. The substance is irritating to the skin. If this liquid is <br /> T The substance decomposes on contact with acids. swallowed,aspiration into the lungs may result in <br /> chemical pneumonitis. Exposure far above the OEL could <br /> A OCCUPATIONAL EXPOSURE LIMITS: cause lowering of consciousness. <br /> TLV: 50 ppm as TWA;A3;(ACGIH 2004). <br /> N MAK:50 ppm, 180 mg/m3; EFFECTS OF LONG-TERM OR REPEATED <br /> Peak Iimitation category: 1(1.5);Carcinogen category: 313; EXPOSURE: <br /> T Pregnancy risk group: C; <br /> (DFG 2004). <br /> D <br /> A <br /> T <br /> A <br /> Boiling point:55°C Relative density of the vapour/air-mixture at 20°C(air= <br /> Melting point:-109'C 1): 1.5 <br /> PHYSICAL Relative density(water= 1): 0.7 Flash point: <br /> PROPERTIES Solubility in water,g/100 ml at 20°C:4.2 -28°C c.c. <br /> Vapour pressure,kPa at 20°C:27 Auto-ignition temperature: 375°C <br /> Relative vapour density(air= 1): 3.0 Explosive limits,vol%in air: 1.6-15.1 <br /> Octanol/water partition coefficient as log Pow: 1.06 <br /> :NVIRONMENTAL It is strongly advised not to let the chemical enter into the environment because it persists in the <br /> DATA environment. <br /> NOTES <br /> Ouch less likely to form peroxides than other ethers.Card has been partly updated in October 2004. See sections Occupational Exposure <br /> .imits,EU classification,Emergency Response. <br /> Transport Emergency Card:TEC(R)-30GF1-I+1I <br /> ADDITIONAL INFORMATION <br /> CSC: 1164 METHYL TERT-BUTYL ETHER <br /> (C)IPCS,CEC,1994 <br /> Neither NIOSH,the CEC or the IPCS nor any person acting on behalf of NIOSH,the CEC or the IPCS is responsible for <br /> IMPORTANT the use which might be made of this information.This card contains the collective views of the IPCS Peer Review <br /> LEGAL Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. <br /> NOTICE: The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications <br /> made to produce the U.S.version is inclusion of the OSHA PELs,NIOSH RELs and NIOSH IDLH values. <br />