Melonal

Modify Date: 2025-08-20 19:13:34

Melonal Structure
Melonal structure
 Common Name Melonal
CAS Number 106-72-9 Molecular Weight 140.223
Density 0.8±0.1 g/cm3 Boiling Point 187.7±19.0 °C at 760 mmHg
Molecular Formula C9H16O Melting Point -23ºC
MSDS Chinese USA Flash Point 60.6±0.0 °C
Symbol GHS07
GHS07		 Signal Word Warning

 Names

Name 2,6-Dimethyl-5-heptenal
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.8±0.1 g/cm3
Boiling Point 187.7±19.0 °C at 760 mmHg
Melting Point -23ºC
Molecular Formula C9H16O
Molecular Weight 140.223
Flash Point 60.6±0.0 °C
Exact Mass 140.120117
PSA 17.07000
LogP 3.00
Vapour Pressure 0.6±0.4 mmHg at 25°C
Index of Refraction 1.434
InChIKey YGFGZTXGYTUXBA-UHFFFAOYSA-N
SMILES CC(C)=CCCC(C)C=O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MJ8797000
CHEMICAL NAME :
5-Heptenal, 2,6-dimethyl-
CAS REGISTRY NUMBER :
106-72-9
BEILSTEIN REFERENCE NO. :
1745855
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C9-H16-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 13(Suppl),793,1975
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 13(Suppl),793,1975 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
15680 mg/kg/14W-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 21,543,1983

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319
Precautionary Statements P305 + P351 + P338
Personal Protective Equipment Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36/37/39
RIDADR 1987
WGK Germany 2
RTECS MJ8797000
Packaging Group III
Hazard Class 3
HS Code 2912190090

 Synthetic Route

Citral structure

Citral

CAS#:5392-40-5

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: US2014/128622 A1, ; Paragraph 0214-0215 ;
2,4,4-trimethylhexa-1,5-dien-3-ol structure

2,4,4-trimethyl...

CAS#:77963-77-0

~88%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Takano, Seiichi; Satoh, Shigeki; Ogasawara, Kunio Heterocycles, 1985 , vol. 23, # 1 p. 41 - 44
2,6-dimethyl-1-(dimethylphenylsilyl)hept-5-enyl nitrite structure

2,6-dimethyl-1-...

CAS#:266329-33-3

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Journal of Organic Chemistry, , vol. 65, # 8 p. 2292 - 2304
6-bromo-2-methylhept-2-ene structure

6-bromo-2-methy...

CAS#:4434-77-9

N,N-Dimethylformamide structure

N,N-Dimethylfor...

CAS#:68-12-2

~68%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Lozanova, A. V.; Gul'tyai, V. P.; Karaseva, A. N.; Moiseenkov, A. M. Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1983 , vol. 32, p. 1241 - 1245 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1983 , # 6 p. 1370 - 1373
2,6-dimethylhept-5-en-1-ol structure

2,6-dimethylhep...

CAS#:4234-93-9

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Chemical Communications, , # 15 p. 1531 - 1532
N/A structure

N/A

CAS#:212003-41-3

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Chemical Communications, , # 15 p. 1531 - 1532
N/A structure

N/A

CAS#:212003-47-9

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Chemical Communications, , # 15 p. 1531 - 1532
ethyl 3-methyl-3-(4-methylpent-3-enyl)oxirane-2-carboxylate structure

ethyl 3-methyl-...

CAS#:75033-21-5

~%

Melonal Structure

Melonal

CAS#:106-72-9

Literature: Bulletin de la Societe Chimique de France, , vol. <4>45, p. 712

 Customs

HS Code 2912190090
Summary 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Articles3

More Articles
Food volatile compounds facilitating HII mesophase formation: solubilization and stability.

J. Agric. Food Chem. 59(10) , 5554-64, (2011)

Four lipophilic food volatile molecules of different chemical characteristics, phenylacetaldehyde, 2,6-dimethyl-5-heptenal, linalool, and trans-4-decenal, were solubilized into binary mixtures of mono...

Short-term toxicity of 2,6-dimethylhept-5-en-1-al in rats.

Food Chem. Toxicol. 21(5) , 543-9, (1983)

Groups of 15 male and 15 female rats were fed for at least 90 days on diets that provided 2,6-dimethylhept-5-en-1-al (DMH) at average intakes of 0 (control), 9, 37 and 150 mg/kg body weight/day. Steps...

Alkylaluminum halide induced cyclization of unsaturated carbonyl compounds. Snider BB, et al.

J. Org. Chem. 47(23) , 4538-4545, (1982)

 Synonyms

Melonal
Dimethylheptenal
FEMA 2389
2,6-dimethyl-5-hepten-1-al
Melon aldehyde,Melonal
Bergamal
VHY1&3UY1&1
2,5-DIMETHOXYBENZYL CHLORIDE
2,6-Dimethylhept-5-en-1-al
2,6-dimethyl-5-heptena
2,6-Dimethylhept-5-enal
MFCD00006981
ELANAL
MELONAL,NATURAL
2,6-Dimethyl-5-heptenal
EINECS 203-427-2
5-Heptenal, 2,6-dimethyl-
2,6-dimethylhept
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