330655
4-Chlorotetrahydropyran
96%
Synonym(s):
4-Chloro-tetrahydro-2H-pyran
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About This Item
Empirical Formula (Hill Notation):
C5H9ClO
CAS Number:
Molecular Weight:
120.58
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
assay
96%
refractive index
n20/D 1.462 (lit.)
bp
150 °C (lit.)
solubility
water: soluble(lit.)
density
1.114 g/mL at 25 °C (lit.)
SMILES string
ClC1CCOCC1
InChI
1S/C5H9ClO/c6-5-1-3-7-4-2-5/h5H,1-4H2
InChI key
DHRSKOBIDIDMJZ-UHFFFAOYSA-N
General description
4-Chlorotetrahydropyran is a commonly employed starting material in organic synthesis.
Application
4-Chlorotetrahydropyran was used in the synthesis of 3-chlorogutaric acid.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
114.8 °F - closed cup
flash_point_c
46 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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Syntheses from 4-chlorotetrahydropyran
Stapp PR and Drake CA.
The Journal of Organic Chemistry, 36(4), 522-525 (1971)
Ursula Karges et al.
The Science of the total environment, 711, 134783-134783 (2019-12-11)
1,4-Dioxane, a cyclic ether that has been classified as a class 2B carcinogen by the US-EPA, is a substance of growing environmental concern because of its abundant occurrence in surface waters worldwide. Its high polarity and low biodegradability hamper its