Benzonatate

Modify Date: 2026-07-01 10:33:04

Benzonatate structure	Common Name	Benzonatate
	CAS Number	104-31-4	Molecular Weight	603.74200
	Density	1.096 g/cm3	Boiling Point	N/A
	Molecular Formula	C₃₀H₅₃NO₁₁	Melting Point	N/A
	MSDS	N/A	Flash Point	346.3ºC

Use of Benzonatate

Benzonatate (Benzononatine) is a peripheral oral antitussive that dampens the activity of cough stretch receptors. Benzonatate has sodium channel-blocking properties and local anesthetic effects on the respiratory stretch receptors due to a tetracaine-like metabolite[1][2].

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name	benzonatate
Synonym	More Synonyms

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description	Benzonatate (Benzononatine) is a peripheral oral antitussive that dampens the activity of cough stretch receptors. Benzonatate has sodium channel-blocking properties and local anesthetic effects on the respiratory stretch receptors due to a tetracaine-like metabolite[1][2].
Related Catalog	Signaling Pathways >> Membrane Transporter/Ion Channel >> Sodium Channel Research Areas >> Neurological Disease
References	[1]. Thimann DA, et al. Benzonatate toxicity in a teenager resulting in coma, seizures, and severe metabolic acidosis. J Pediatr Pharmacol Ther. 2012;17(3):270-273. [2]. Teo S, et al. The Antitussive Benzonatate Is Not Tumorigenic in Rodent Carcinogenicity Studies. Toxicol Pathol. 2018;46(6):683-692.

Description

Related Catalog

Signaling Pathways >> Membrane Transporter/Ion Channel >> Sodium Channel

Research Areas >> Neurological Disease

References

[1]. Thimann DA, et al. Benzonatate toxicity in a teenager resulting in coma, seizures, and severe metabolic acidosis. J Pediatr Pharmacol Ther. 2012;17(3):270-273.

[2]. Teo S, et al. The Antitussive Benzonatate Is Not Tumorigenic in Rodent Carcinogenicity Studies. Toxicol Pathol. 2018;46(6):683-692.

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density	1.096 g/cm3
Molecular Formula	C₃₀H₅₃NO₁₁
Molecular Weight	603.74200
Flash Point	346.3ºC
Exact Mass	603.36200
PSA	121.40000
LogP	2.90760
Vapour Pressure	9.98E-17mmHg at 25°C
Index of Refraction	1.495
InChIKey	MAFMQEKGGFWBAB-UHFFFAOYSA-N
SMILES	CCCCNc1ccc(C(=O)OCCOCCOCCOCCOCCOCCOCCOCCOCCOC)cc1
Storage condition	2-8°C

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG4904500

CHEMICAL NAME :: Benzoic acid, p-(butylamino)-, 2-(2-(2-(2-(2-(2-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy )ethoxy) ethoxy)ethoxy)ethoxy)ethoxy)ethyl ester

CAS REGISTRY NUMBER :: 104-31-4

LAST UPDATED :: 199504

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C30-H53-N-O11

MOLECULAR WEIGHT :: 603.84

WISWESSER LINE NOTATION :: 4MR DVO2O2O2O2O2O2O2O2O2O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

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

REFERENCE :: SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 86,94,1956

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 7,372,1959

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 9 mg/kg

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

REFERENCE :: HPPAAL Helvetica Physiologia et Pharmacologica Acta. (Basel, Switzerland) V.1-26, 1943-68. Discontinued. Volume(issue)/page/year: 15,55,1957

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 217 mg/kg

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

REFERENCE :: NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 54,688,1958

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 4 mg/kg

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

REFERENCE :: SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 86,94,1956

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 200 mg/kg

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

REFERENCE :: SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 86,94,1956

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 5 mg/kg

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

REFERENCE :: SMWOAS Schweizerische Medizinische Wochenschrift. (Schwabe & Co., Steintorst 13, 4010 Basel, Switzerland) V.50- 1920- Volume(issue)/page/year: 86,94,1956

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 4400 ug/kg

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

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,739,1957 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5770 No. of Facilities: 10 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 197 (estimated) No. of Female Employees: 59 (estimated)

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Statements	H412
Hazard Codes	Xi
RIDADR	NONH for all modes of transport

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Primary qHTS assay for inhibitors of alpha-synuclein gene (SNCA) expression
Source: NCGC
External Id: SNCA-p-activity-luciferase

Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN

Name: Cytochrome P450 Family 1 Subfamily A Member 2 (CYP1A2) small molecule antagonists: lu...
Source: 824
External Id: CYP273

Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN

Name: qHTS Assay for Small Molecule Inhibitors of the Human hERG Channel Activity
Source: NCGC
External Id: HERG01

Name: qHTS for Inhibitors of TGF-b: Cytotox Counterscreen
Source: NCGC
Target: N/A
External Id: SMAD3201

Name: uHTS identification of cystic fibrosis induced NFkb Inhibitors in a fluoresence assay
Source: Burnham Center for Chemical Genomics
Target: cystic fibrosis transmembrane conductance regulator [Homo sapiens]
External Id: SBCCG-A764-CF-PAF-Primary-Assay

Name: Fluorescence-based cell-based primary high throughput screening assay to identify ant...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_ANT_FLUO8_1536_1X%INH PRUN

Name: qHTS for Inhibitors of TGF-b
Source: NCGC
Target: Smad3 [Homo sapiens]
External Id: SMAD3101

Name: Primary qHTS for inhibitors of NSP2Pro chikungunya virus (CHIKV)
Source: NCGC
External Id: APP-Toga-CHIKV-nsp2-p

Total 464, Current Page 1 of 47

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Benzononatine

2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl 4-(butylamino)benzoate

Benzonatato

EINECS 203-194-7

Tessalon

Benzonatate

Exangit

MFCD00072060

Benzonatatum

Tessalon-ciba

Benzononantin

Ventussin-loz

Ventussin

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of benzonatate?

A: CAS number of benzonatate is 104-31-4.

Q: What English synonyms does benzonatate have?

A: English synonyms of benzonatate: Benzononatine, 2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl 4-(butylamino)benzoate, Benzonatato, EINECS 203-194-7, Tessalon, Benzonatate, Exangit, MFCD00072060, Benzonatatum, Tessalon-ciba, Benzononantin, Ventussin-loz, Ventussin.

Q: What is the SMILES notation of benzonatate?

A: SMILES notation of benzonatate is CCCCNc1ccc(C(=O)OCCOCCOCCOCCOCCOCCOCCOCCOCCOC)cc1.

Q: What is the InChIKey of benzonatate?

A: InChIKey of benzonatate is MAFMQEKGGFWBAB-UHFFFAOYSA-N.

Q: What are the storage conditions for benzonatate?

A: Storage conditions for benzonatate: 2-8°C.

Q: What is the polar surface area (PSA) of benzonatate?

A: Polar surface area (PSA) of benzonatate is 121.40000.

Q: What are the uses of benzonatate?

A: Main uses of benzonatate: Benzonatate (Benzononatine) is a peripheral oral antitussive that dampens the activity of cough stretch receptors. Benzonatate has sodium channel-blocking properties and local anesthetic effects on the respiratory stretch receptors due to a tetracaine-like metabolite[1][2].

Q: What is the molecular formula of benzonatate?

A: Molecular formula of benzonatate is C30H53NO11.

Q: What is the English name of benzonatate?

A: The English name of benzonatate is benzonatate.

Q: What is the LogP of benzonatate?

A: LogP of benzonatate is 2.90760.

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd

Dayang Chem (Hangzhou) Co., Ltd.

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Benzonatate
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzonatate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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