Label abbreviations descriptions

GLYCIDOL(2,3-EPOXY-1-PROPANOL)†

Chemical Identification
CAS # 556-52-5
Formula

C₃H₆O₂
Synonyms

2,3-epoxy-1-propanol; epoxypropyl alcohol; glycide; hydroxymethyl ethylene oxide; 2-hydroxymethyl oxiran; 3-hydroxypropylene oxide

Physical Properties
Physical description Colorless, odorless liquid.
Boiling point 320°F (decomposes) Molecular weight 74.1
Freezing point/melting point -49°F Vapor pressure 0.9 mmHg at 77°F
Flash point 162°F Vapor density 2.15
Specific gravity 1.12 Ionization potential
Lower explosive limit (LEL) Upper explosive limit (UEL)
NFPA health rating NFPA fire rating
NFPA reactivity rating NFPA special instruction
Vapor hazard ratio (VHR)
Historical exceedance percentage
Target organs

Monitoring Methods Used by OSHA
Analyte code (IMIS no.) 1365
Sampling group
Sampler/Sampling media CSC tube (100/50 mg) [SKC 226-01]
Sampling time*

Sampling volume (TWA)*

5-100 L
Sampling flow rate (TWA)*

0.01-1 L/min
Sampling volume (STEL/Peak/C)*

Sampling flow rate (STEL/Peak/C)*

Analytical method instruments GC-FID
Method reference NIOSH 1608 (fully validated)
Notes

Submit as a separate sample. Refrigerate samples at 4°C immediately and ship on ice to prevent low recoveries. Analyze samples as soon as possible.
Special requirements

* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.

Bulk/Wipe Method
Wipe Sampler/Sampling media

Bulk Method

On-Site Screening Techniques
Device
Model/Type
Sampling information
(see manufacturer instructions)

Exposure Limits
OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
NIOSH REL
Up to 10-hour TWA
(ST) STEL
(C) Ceiling
ACGIH TLV©
8-hour TWA
(ST) STEL
(C) Ceiling
CAL/OSHA PEL
8-hour TWA
(ST) STEL
(C) Ceiling
Peak
PEL-TWA

50 ppm (150 mg/m³)

 REL-TWA

25 ppm (75 mg/m³)

 TLV-TWA

2 ppm [1993]

 PEL-TWA

2 ppm (6.1 mg/m³)
PEL-STEL

REL-STEL

TLV-STEL

PEL-STEL

PEL-C

REL-C

TLV-C

PEL-C

Skin notation

N

 Skin notation

N

 Skin notation

N

 Skin notation

N
Notes:

See 29 CFR 1910.1000 Table Z-1.

 Notes:

Notes:

Notes:

Health factors: See NIH-NLM PubChem. IDLH

150 ppm
Carcinogenic classifications: NTP-R, TLV-A3, IARC-2A Notes:

AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:

Additional Resources and Literature References

Last Updated Date : 01/28/2021