From: Subject: NIOSH Document: Pocket Guide to Chemical Hazards (2005-151) : Chromyl chloride | CDC/NIOSH Date: Mon, 3 Apr 2006 12:17:20 -0400 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_001D_01C65718.8E79B3D0" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_001D_01C65718.8E79B3D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.cdc.gov/niosh/npg/npgd0142.html NIOSH Document: Pocket Guide to Chemical Hazards = (2005-151) : Chromyl chloride | CDC/NIOSH

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NIOSH Publication No. 2005-151:

NIOSH Pocket Guide to Chemical Hazards

September 2005

NPG=20 Home | Introduction | = Synonyms & = Trade=20 Names | Chemical=20 Names | CAS=20 Numbers | RTECS=20 Numbers | Appendices = | Search=20

Chromyl chloride	CAS 14977-61-8
Cr(OCl)₂	RTECS GB5775000=20
Synonyms & Trade Names Chlorochromic = anhydride,=20 Chromic oxychloride, Chromium chloride oxide, Chromium = dichloride=20 dioxide, Chromium dioxide dichloride, Chromium = dioxychloride,=20 Chromium oxychloride, Dichlorodioxochromium	DOT ID & Guide 1758 137=20

Exposure Limits	NIOSH REL: Ca 0.001 mg=20 Cr(VI)/m³ See = Appendix=20 A See=20 Appendix C
OSHA PEL: none
IDLH Ca [N.D.] See: IDLH = INDEX=20	Conversion

Physical Description Deep-red liquid with a = musty,=20 burning, acrid odor. [Note: Fumes in moist air.]
MW: 154.9	BP: 243=B0F	FRZ: -142=B0F	Sol: Reacts
VP: 20 mmHg	IP: 12.60 eV		Sp.Gr(77=B0F): 1.91
Fl.P: NA	UEL: NA	LEL: NA
Noncombustible Liquid, but a powerful = oxidizer.
Incompatibilities & Reactivities Water, = combustible=20 substances, halides, phosphorus, turpentine [Note: Reacts = violently=20 in water; forms chromic acid, chromic chloride, hydrochloric = acid=20 & chlorine. Corrodes common metals.] =

Measurement Methods

None available
See: NMAM or OSHA = Methods=20

Personal Protection & Sanitation (See = protection)=20 Skin: Prevent skin contact Eyes: Prevent eye contact = Wash skin: When contaminated Remove: When wet or=20 contaminated Change: No recommendation Provide: = Eyewash,=20 Quick drench	First Aid (See=20 procedures) Eye: Irrigate immediately Skin: = Water flush=20 immediately Breathing: Respiratory support Swallow: = Medical=20 attention immediately
Respirator Recommendations NIOSH At=20 concentrations above the NIOSH REL, or where there is no = REL, at any=20 detectable concentration: (APF =3D 10,000) Any=20 self-contained breathing apparatus that has a full facepiece = and is=20 operated in a pressure- demand or other positive-pressure=20 mode (APF =3D 10,000) Any supplied-air respirator that = has a full=20 facepiece and is operated in a pressure-demand or other=20 positive-pressure mode in combination with an auxiliary=20 self-contained positive-pressure breathing=20 apparatus Escape: (APF =3D 50) Any=20 air-purifying, full-facepiece respirator (gas mask) with a=20 chin-style, front- or back-mounted organic vapor = canister/Any=20 appropriate escape-type, self-contained breathing apparatus = Important=20 additional information about respirator selection =
Exposure Routes inhalation, skin absorption, = ingestion,=20 skin and/or eye contact
Symptoms Irritation to eyes, skin, upper = respiratory=20 system; eye, skin burns; [potential occupational carcinogen] =
Target Organs Eyes, skin, respiratory system = Cancer Site [lung cancer] =

See also: INTRODUCTION=20 See ICSC CARD: 0854=20 See MEDICAL TESTS: 0052=20 =

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