Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Thiophenecarboxaldehyde
Price: ￥88.0/100g ￥288.0/500g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: 2-Thiophenecarboxaldehyde
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Thenaldehyde
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2-Thenaldehyde - TIANFU-CHEM
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

98-03-3

98-03-3 structure

98-03-3 structure

Name: 2-Thiophenecarboxaldehyde
Chemical Name: formylthiophene
CAS Number: 98-03-3
Molecular Formula: C₅H₄OS
Molecular Weight: 112.150
Catalog: Organic raw materials Aldehyde
Create Date: 2018-02-05 08:00:00
Modify Date: 2025-08-21 09:27:36
2-Thiophenecarboxaldehyde is an endogenous metabolite.

Name	formylthiophene
Synonyms	thiophene-2-carbaldehyde MFCD00005429 EINECS 202-629-8 2-Thiophenecarboxaldehyde

Description	2-Thiophenecarboxaldehyde is an endogenous metabolite.
Related Catalog	Research Areas >> Metabolic Disease

Density	1.2±0.1 g/cm3
Boiling Point	198.0±13.0 °C at 760 mmHg
Melting Point	<10ºC
Molecular Formula	C₅H₄OS
Molecular Weight	112.150
Flash Point	77.8±0.0 °C
Exact Mass	111.998283
PSA	45.31000
LogP	1.02
Vapour Pressure	0.4±0.4 mmHg at 25°C
Index of Refraction	1.610
Storage condition	2-8°C
Water Solubility	insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XM8135000

CHEMICAL NAME :: 2-Thiophenecarboxaldehyde

CAS REGISTRY NUMBER :: 98-03-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 8

MOLECULAR FORMULA :: C5-H4-O-S

MOLECULAR WEIGHT :: 112.15

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: OTS0533615

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

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: OTS0533615 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 915 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533616

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 565 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533616

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: >10 mL/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0533616

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P280-P301 + P312 + P330-P305 + P351 + P338-P337 + P313
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R43
Safety Phrases	S36/37/39-S37-S24
RIDADR	UN 2810
WGK Germany	3
RTECS	XM8135000
Hazard Class	6.1
HS Code	2934999090

Precursor 10
3437-95-4 201230-82-2 5271-67-0 29683-84-9
636-72-6 63011-97-2 1003-09-4 1003-31-2
188290-36-0 68-12-2
DownStream 10
1121529-18-7 1087-07-6 109532-85-6 107326-06-7
110823-85-3 110823-86-4 109532-65-2 104542-82-7
36050-35-8 4521-33-9

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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