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Glycidol

Synonyms & Trade Names
2,3-Epoxy-1-propanol; Epoxypropyl alcohol; Glycide; Hydroxymethyl ethylene oxide; 2-Hydroxymethyl oxiran; 3-Hydroxypropylene oxide
CAS No.
556-52-5
RTECS No.
UB4375000
DOT ID & Guide
Formula
C3H6O2
Conversion
1 ppm = 3.03 mg/m3
IDLH
150 ppm
See: 556525
Exposure Limits
NIOSH REL
: TWA 25 ppm (75 mg/m3)
OSHA PEL
: TWA 50 ppm (150 mg/m3)
Measurement Methods

NIOSH 1608;
OSHA 7
See: NMAM or OSHA Methods
Physical Description
Colorless liquid.
MW:
74.1
BP:
320°F (Decomposes)
FRZ:
-49°F
Sol:
Miscible
VP(77°F): 0.9 mmHg
IP:
?
Sp.Gr:
1.12
Fl.P:
162°F
UEL:
?
LEL:
?
Class IIIA Combustible Liquid: Fl.P. at or above 140°F and below 200°F.
Incompatibilities & Reactivities
Strong oxidizers, nitrates
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, nose, throat; narcosis
Target Organs
Eyes, skin, respiratory system, central nervous system
Personal Protection/Sanitation
(See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
First Aid
(See procedures)
Eye: Irrigate immediately
Skin: Water wash promptly
Breathing: Respiratory support
Swallow: Medical attention immediately
Respirator Recommendations

NIOSH

Up to 150 ppm:
(APF = 10) Any supplied-air respirator*
(APF = 50) Any self-contained breathing apparatus with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also: INTRODUCTION   See ICSC CARD: 0159
 
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