Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Methional
Price:
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Methional
Price: ￥118.0/25g ￥338.0/100g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-(Methylthio)propionaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Henan Tianfu Chemical Co., Ltd.
China
Product Name: High purity CAS 3268-49-3 3-(Methylthio)propionaldehyde in stock
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

3268-49-3

3268-49-3 structure

Name: Methional
Chemical Name: 3-methylthiopropanal
CAS Number: 3268-49-3
Molecular Formula: C₄H₈OS
Molecular Weight: 104.171
Catalog: Flavors and spices Synthetic spice Thioether perfume
Create Date: 2018-03-09 08:00:00
Modify Date: 2024-01-02 14:52:21

Name	3-methylthiopropanal
Synonyms	3-Methylthiopropana Propanal, 3-(methylthio)- Propionaldehyde, 3- (methylthio)- Propanal, 3- (methylthio)- 4-Thiapentanal 3-(Methylthio)propionaldehyde 3-(Methylthio)propanal 3-methylsulfanyl-propionaldehyde EINECS 221-882-5 3-(Methylsulfanyl)propanal 3-methylsulfanylpropanal MFCD00007022 Methional 3-(Methylmercapto)propionaldehyde 3-(Methylmercapto)propionaldehyde (3-(Methylthio)propanal β-(Methylthio)propionaldehyde MeSCH2CH2CHO

Density	1.0±0.1 g/cm3
Boiling Point	168.2±23.0 °C at 760 mmHg
Melting Point	-68°C
Molecular Formula	C₄H₈OS
Molecular Weight	104.171
Flash Point	61.1±0.0 °C
Exact Mass	104.029587
PSA	42.37000
LogP	0.71
Vapour density	>1 (vs air)
Vapour Pressure	1.6±0.3 mmHg at 25°C
Index of Refraction	1.456

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UE2285000

CHEMICAL NAME :: Propionaldehyde, 3-(methylthio)-

CAS REGISTRY NUMBER :: 3268-49-3

BEILSTEIN REFERENCE NO. :: 1739289

LAST UPDATED :: 199712

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C4-H8-O-S

MOLECULAR WEIGHT :: 104.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0546239 ** ACUTE TOXICITY DATA **

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 700 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - muscle weakness Gastrointestinal - alteration in gastric secretion

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0546239

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5820 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),85,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1620 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),85,1984

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5400 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),85,1984

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 2500 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - excitement Lungs, Thorax, or Respiration - dyspnea

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0534366 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83834 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 207 (estimated)

Symbol	GHS05, GHS06
Signal Word	Danger
Hazard Statements	H302 + H332-H311-H315-H317-H318-H412
Precautionary Statements	P261-P273-P280-P302 + P352 + P312-P305 + P351 + P338 + P310
Personal Protective Equipment	Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R20;R36/37/38
Safety Phrases	S26-S36/37/39-S45-S37/39
RIDADR	UN 2785 6.1/PG 3
WGK Germany	1
RTECS	UE2285000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	29309070

Precursor 10
74-93-1 598-54-9 107-02-8 54509-73-8
81382-04-9 505-10-2 54974-63-9 863608-03-1
56-81-5 16630-61-8
DownStream 10
1115-47-5 33280-93-2 24949-35-7 505-10-2
30411-90-6 873660-49-2 583-91-5 65-82-7
1509-92-8 13253-44-6

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

3268-49-3	136430-27-8
16630-61-8	59007-89-5
899972-28-2	1158522-08-7
940364-43-2	898351-09-2
134104-43-1	899993-16-9
131615-57-1	6906-52-1
930439-75-1	1018584-77-4