Products
  • Products
  • Buy offers
  • Encyclopedia
  • Msds lib
  • Synthesis
  • Reach Info
  • Suppliers
Home> Encyclopedia > Hot Product Listed T   > Tetrahydro-4H-pyran-4-one
29943-42-8 structure

Tetrahydro-4H-pyran-4-one

Iupac Name:oxan-4-one
CAS No.:29943-42-8
EINECS(EC#): 249-967-2
Molecular Weight:100.11600
Molecular Formula:C5H8O2 (isomer)
Properties
Appearance
Clear, colorless liquid.
Density
1.084g/mLat 25°C(lit.)
Boiling Point
166-166.5°C(lit.)
Vapour
1.69mmHg at 25°C
Refractive Index
n20/D 1.452(lit.)
Flash Point
134°F
Solubility
MISCIBLE
Stability
Stable under normal temperatures and pressures.
HS Code
29329995
Storage temp
Keep Cold
Safety and Handling
Hazard Codes
Xi; F
Risk Statements
R10; R36/37/38
Safety Statements
S24/25
HazardClass
3.2
Safety

Hazard Codes of Tetrahydro-4H-pyran-4-one (CAS NO.29943-42-8):?IrritantXi,FlammableF
Risk Statements: 10-36/37/38?
R10: Flammable.?
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26?
S24/25: Avoid contact with skin and eyes.?
S36: Wear suitable protective clothing.?
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN 1224 3/PG 3
WGK Germany: 3
F: 10
Hazard Note: Keep Cold/Flammable/Irritant
HazardClass: 3.2
PackingGroup: III
HS Code: 29329995?

PackingGroup
III
Transport
UN 1224 3/PG 3
MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Flammable liquids, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H226 Flammable liquid and vapour

Precautionary statement(s)
Prevention

P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.

P233 Keep container tightly closed.

P240 Ground and bond container and receiving equipment.

P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment.

P242 Use non-sparking tools.

P243 Take action to prevent static discharges.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

Response

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P370+P378 In case of fire: Use ... to extinguish.

Storage

P403+P235 Store in a well-ventilated place. Keep cool.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

Computational chemical data
  • Molecular Weight:100.11600g/mol
  • Molecular Formula:C5H8O2
  • Compound Is Canonicalized:True
  • Exact Mass:100.052
  • Monoisotopic Mass:100.052
  • Complexity:70.1
  • Rotatable Bond Count:0
  • Hydrogen Bond Donor Count:0
  • Hydrogen Bond Acceptor Count:2
  • Topological Polar Surface Area:26.3A^2
  • Heavy Atom Count:7
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
  • CACTVS Substructure Key Fingerprint: AAADccBgMAAAAAAAAAAAAAAAAAAAAAAAAAAkAAAAAAAAAAAAAAAAGgAAAAAACASggAIAAAAABAAI AIAQAAAAAAAAAAAAAAEAAAAAAAYAAAACAAAEIAAAAACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA==
Recommended Suppliers
  • Tel:+86-25-83208295
  • Fax:+86-25-83208202
  • Tel:+86-311-85355123
  • Fax:+86-311-85355123
  • Tel:+86-0592-5567629
  • Fax:+86-0592-5567629
  • Tel:86-25-83697070
  • Fax:86-25-83453275
  • Tel:86-371-86658258
  • Fax:86-371-86658258
  • Tel:+86-025-58535435
  • Fax:
  • Tel:86-27-87465837
  • Fax:86-27-87772287
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Tel:86-21-61723543
  • Fax:86-21-33250189
  • Tel:86-311-66600578
  • Fax:86-311-66600576
Recommended Suppliers
  • Tel:+86-25-83208295
  • Fax:+86-25-83208202
  • Tel:+86-311-85355123
  • Fax:+86-311-85355123
  • Tel:+86-0592-5567629
  • Fax:+86-0592-5567629
  • Tel:86-25-83697070
  • Fax:86-25-83453275
  • Tel:86-371-86658258
  • Fax:86-371-86658258
  • Tel:+86-025-58535435
  • Fax:
  • Tel:86-27-87465837
  • Fax:86-27-87772287
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Tel:86-21-61723543
  • Fax:86-21-33250189
  • Tel:86-311-66600578
  • Fax:86-311-66600576
 
<