Substance
ID:364651
Names and Identifiers
IUPAC Traditional name
tetrahydropyran
IUPAC name
oxane
Synonyms
Pentamethylene oxideTetrahydropyran氧己环四氢吡喃
Registration numbers
CAS Number
MDL Number
Beilstein Number
EC Number
Properties
Product Information
Purity
≥98.0% (GC)
Empirical Formula (Hill Notation)
C5H10O
Impurities
≤0.5% water
Grade
purum
Physical Property
Refractive Index
n20/D 1.420
n20/D 1.42(lit.)
Boiling Point
88 °C(lit.)
Density
0.881 g/mL at 25 °C(lit.)
Flash Point
-16 °C
3.2 °F
Vapor Density
3 (vs air)
Melting Point
-45 °C(lit.)
Safety Information
RID/ADR
UN 1993 3/PG 2
Safety Statements
9-16-26-33-36
GHS Pictograms
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
MSDS Link
Risk Statements
11-19-36/37/38
European Hazard Symbols
Flammable (F)
Irritant (Xi)GHS Precautionary statements
P210-P261-P305+P351+P338
GHS Hazard statements
H225-H315-H319-H335
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Supplemental Hazard Statements
May form explosive peroxides.
German water hazard class
3
Packing Group
2
GHS Signal Word
Danger
Hazard Class
3
UN Number
1993
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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