3,4-Dihydro-2H-pyran-2-carbaldehyde

Modify Date: 2025-08-20 17:58:14

3,4-Dihydro-2H-pyran-2-carbaldehyde Structure
3,4-Dihydro-2H-pyran-2-carbaldehyde structure
Common Name 3,4-Dihydro-2H-pyran-2-carbaldehyde
CAS Number 100-73-2 Molecular Weight 112.127
Density 1.2±0.1 g/cm3 Boiling Point 185.1±39.0 °C at 760 mmHg
Molecular Formula C6H8O2 Melting Point -100ºC
MSDS N/A Flash Point 73.4±20.6 °C

 Names

Name 3,4-dihydro-2H-pyran-2-carbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 185.1±39.0 °C at 760 mmHg
Melting Point -100ºC
Molecular Formula C6H8O2
Molecular Weight 112.127
Flash Point 73.4±20.6 °C
Exact Mass 112.052429
PSA 26.30000
LogP -0.17
Vapour Pressure 0.7±0.4 mmHg at 25°C
Index of Refraction 1.547

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UP6825000
CHEMICAL NAME :
2H-Pyran-2-carboxaldehyde, 3,4-dihydro-
CAS REGISTRY NUMBER :
100-73-2
BEILSTEIN REFERENCE NO. :
0107244
LAST UPDATED :
199806
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C6-H8-O2
MOLECULAR WEIGHT :
112.14
WISWESSER LINE NOTATION :
T6O BUTJ FVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Open irritation test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 7/27/1965 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4920 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 10,61,1954
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3225 ppm/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Lungs, Thorax, or Respiration - respiratory depression Lungs, Thorax, or Respiration - other changes
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 13,228,1993 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
194 ppm/6H/9D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in platelet count Biochemical - Metabolism (Intermediary) - other proteins
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 36(1,pt2),272,1997

 Safety Information

Hazard Codes Xn
Risk Phrases R10
Safety Phrases 16-26-33-36/37/39-45
RIDADR UN 2607
RTECS UP6825000
Packaging Group III
Hazard Class 3.2

 Synonyms

3,4-Dihydro-2H-pyran-2-carboxaldehyde
5-Hexenal,2,6-epoxy
Acrolein dimer
2H-Pyran-2-carboxaldehyde, 3,4-dihydro-
2-formyldihydropyran
2-Propenal dimer
3,4-Dihydro-2H-pyran-2-carbaldehyd
3,4-Dihydro-2H-pyran-2-carbaldehyde
EINECS 202-884-5
2H-PYRAN-2-CARBOXALDEHYDE,3,4-DIHYDRO
Pyran aldehyde
2-Formyl-3,4-dihydro-2H-pyran
MFCD00059170
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.
Top Suppliers:I want be here


Get all suppliers and price by the below link:

3,4-Dihydro-2H-pyran-2-carbaldehyde suppliers

3,4-Dihydro-2H-pyran-2-carbaldehyde price

Related Compounds: More...
6-methyl-3,4-dihydro-2H-pyran-2-carbaldehyde
64881-26-1
2-methyl-3,4-dihydro-2H-pyran-2-carbaldehyde
26334-42-9
2,5-Diethyl-3,4-dihydro-2H-pyran-2-carbaldehyde
33731-59-8
2,5-diethoxy-3,4-dihydro-2H-pyran-2-carbaldehyde
56545-56-3
2,6-Dimethyl-3,4-dihydro-2H-pyran-2-carbaldehyde
343929-07-7
2,5-dipropyl-3,4-dihydro-2H-pyran-2-carbaldehyde
7233-56-9
2,5-dimethyl-3,4-dihydro-2H-pyran-2-carbaldehyde
1920-21-4
2,5-dipropyl-3,4-dihydro-2h-pyran-2-carbaldehyde
33731-62-3
3,4-dihydro-2H-pyran-2-carbaldehyde-methallylimine
6302-36-9
2-{[(5-Bromothiophen-2-yl)methyl]amino}ethan-1-ol
856371-60-3
N-cycloheptyl-2-[(2-methoxyphenyl)amino]-5-oxo-5H-[1,3,4]thiadiazolo[2,3-b]quinazoline-8-carboxamide
894251-67-3
2-(3-(4-(benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-3-oxopropyl)-6,7,8,9-tetrahydro-3H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4(5H)-one
950443-92-2
N-(1-benzylpiperidin-4-yl)-3-(7-(tert-butyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)propanamide
950444-12-9
N-(3,5-dichlorophenyl)-2-[(1-methyl-5-phenyl-1H-imidazol-2-yl)sulfanyl]acetamide
946256-23-1
2-((5-(4-chlorophenyl)-1-methyl-1H-imidazol-2-yl)thio)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamide
921816-74-2
Ethyl 1-(2-methylphenyl)-4-{[(4-methylphenyl)methyl]amino}-6-oxo-1,6-dihydropyridazine-3-carboxylate
922015-14-3
Ethyl 4-{[(2-methoxyphenyl)methyl]amino}-1-(2-methylphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate
921989-26-6
6-{[4-(2-oxo-2H-chromene-3-carbonyl)piperazin-1-yl]sulfonyl}-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-trien-11-one
946361-17-7
2-[2-(trifluoromethyl)-3H-imidazo[4,5-b]pyridin-3-yl]ethan-1-amine
951547-49-2