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ChemicalBook >> CAS DataBase List >> 3,4-Dihydro-2H-pyran

3,4-Dihydro-2H-pyran

3,4-Dihydro-2H-pyran price.
  • $10 - $1062
  • Product name: 3,4-Dihydro-2H-pyran
  • CAS: 110-87-2
  • MF: C5H8O
  • MW: 84.12
  • EINECS:203-810-4
  • MDL Number:MFCD00006558
  • Synonyms:delta(Sup2)-Dihydropyran;delta2-Dihydropyran;pyran,dihydro- ;δ2-dihydropyran ;5,6-DIHYDRO-4H-PYRAN;3,4-DIHYDRO-2ETA-PYRAN;3,4-DIHYDRO-2H-PYRAN;3,4-Dihydro-2H-pyran,99%
37 prices
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  • AHH
  • AK Scientific
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  • Biosynth Carbosynth
  • BroadPharm
  • Frontier Specialty Chemicals
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  • Medical Isotopes, Inc.
  • Oakwood
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  • ManufacturerAHH
  • Product numberMT-09770
  • Product description3,4-Dihydro-2H-pyran 99%
  • Packaging5000g
  • Price$395
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ91749
  • Product description2,3-Dihydropyran,DHP
  • Packaging25mL
  • Price$10
  • Updated2021-12-16
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  • ManufacturerAK Scientific
  • Product numberU534
  • Product description2,3-Dihydropyran,DHP
  • Packaging100mL
  • Price$21
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ91749
  • Product description2,3-Dihydropyran,DHP
  • Packaging250mL
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberU534
  • Product description2,3-Dihydropyran,DHP
  • Packaging1L
  • Price$114
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR183406
  • Product description3,4-Dihydro-2H-pyran
  • Packaging25g
  • Price$14
  • Updated2021-12-16
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  • ManufacturerBiosynth Carbosynth
  • Product numberFD11683
  • Product description3,4-Dihydro-2H-pyran
  • Packaging100g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD11683
  • Product description3,4-Dihydro-2H-pyran
  • Packaging250g
  • Price$100
  • Updated2021-12-16
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  • ManufacturerBiosynth Carbosynth
  • Product numberFD11683
  • Product description3,4-Dihydro-2H-pyran
  • Packaging500g
  • Price$150
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFD11683
  • Product description3,4-Dihydro-2H-pyran
  • Packaging1kg
  • Price$220
  • Updated2021-12-16
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  • ManufacturerBiosynth Carbosynth
  • Product numberFD11683
  • Product description3,4-Dihydro-2H-pyran
  • Packaging2Kg
  • Price$400
  • Updated2021-12-16
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  • ManufacturerBroadPharm
  • Product numberBP-21473
  • Product description3,4-Dihydro-2H-pyran 99%
  • Packaging10g
  • Price$25
  • Updated2021-12-16
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  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK391472
  • Product description3,4-Dihydro-2H-pyran 98%
  • Packaging100g
  • Price$31
  • Updated2021-12-16
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  • ManufacturerFrontier Specialty Chemicals
  • Product numberJK391472
  • Product description3,4-Dihydro-2H-pyran 98%
  • Packaging500g
  • Price$95
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number89961
  • Product description3,4-DIHYDRO-2H-PYRAN,97%
  • Packaging100mL
  • Price$39.77
  • Updated2021-12-16
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  • ManufacturerGFS CHEMICALS
  • Product number89962
  • Product description3,4-DIHYDRO-2H-PYRAN,97%
  • Packaging500mL
  • Price$105.85
  • Updated2021-12-16
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Manufacturer Product number Product description Packaging Price Updated Buy
AHH MT-09770 3,4-Dihydro-2H-pyran 99% 5000g $395 2021-12-16 Buy
AK Scientific J91749 2,3-Dihydropyran,DHP 25mL $10 2021-12-16 Buy
AK Scientific U534 2,3-Dihydropyran,DHP 100mL $21 2021-12-16 Buy
AK Scientific J91749 2,3-Dihydropyran,DHP 250mL $30 2021-12-16 Buy
AK Scientific U534 2,3-Dihydropyran,DHP 1L $114 2021-12-16 Buy
Apolloscientific OR183406 3,4-Dihydro-2H-pyran 25g $14 2021-12-16 Buy
Biosynth Carbosynth FD11683 3,4-Dihydro-2H-pyran 100g $60 2021-12-16 Buy
Biosynth Carbosynth FD11683 3,4-Dihydro-2H-pyran 250g $100 2021-12-16 Buy
Biosynth Carbosynth FD11683 3,4-Dihydro-2H-pyran 500g $150 2021-12-16 Buy
Biosynth Carbosynth FD11683 3,4-Dihydro-2H-pyran 1kg $220 2021-12-16 Buy
Biosynth Carbosynth FD11683 3,4-Dihydro-2H-pyran 2Kg $400 2021-12-16 Buy
BroadPharm BP-21473 3,4-Dihydro-2H-pyran 99% 10g $25 2021-12-16 Buy
Frontier Specialty Chemicals JK391472 3,4-Dihydro-2H-pyran 98% 100g $31 2021-12-16 Buy
Frontier Specialty Chemicals JK391472 3,4-Dihydro-2H-pyran 98% 500g $95 2021-12-16 Buy
GFS CHEMICALS 89961 3,4-DIHYDRO-2H-PYRAN,97% 100mL $39.77 2021-12-16 Buy
GFS CHEMICALS 89962 3,4-DIHYDRO-2H-PYRAN,97% 500mL $105.85 2021-12-16 Buy

Properties

Melting point :-70 °C (lit.)
Boiling point :86 °C (lit.)
Density :0.922 g/mL at 25 °C (lit.)
vapor density :2.9 (vs air)
vapor pressure :77.8 hPa (20 °C)
refractive index :n20/D 1.440(lit.)
Flash point :4 °F
storage temp. :Store below +30°C.
solubility :7.7g/l
form :Liquid
color :Clear colorless to yellow
PH :7 (5g/l, H2O, 20℃)
explosive limit :1.1-13.8%(V)
Water Solubility :20 g/L (20 ºC)
BRN :103493
Stability :Volatile
InChIKey :BUDQDWGNQVEFAC-UHFFFAOYSA-N
LogP :0.690
CAS DataBase Reference :110-87-2(CAS DataBase Reference)
NIST Chemistry Reference :2H-Pyran, 3,4-dihydro-(110-87-2)
EPA Substance Registry System :2H-Pyran, 3,4-dihydro- (110-87-2)

Safety Information

Symbol(GHS): GHS hazard pictogramsGHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger GHS hazard pictograms P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Widely used hydroxyl-protecting reagent3,4-Dihydro-2H-pyran is used as a hydroxyl-protecting reagent in organic synthesis. It acts as an intermediate in synthetic chemistry. It is used to protect various reactive functional groups. It is involved in the polymerization reaction either alone or with unsaturated compound and finds application in polymer industries. Further, it is employed in the preparation of bicyclic compounds of epoxide-fused, halo compounds and allenic alcohols.

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