Ethanol 190 Proof, SDA 40B (95%)

Ethanol 190 Proof, SDA 40B (95%) USP Grade – Specially Denatured Alcohol
Ethanol 190 Proof, SDA 40B (95%) USP Grade is a high-purity, specially denatured ethyl alcohol designed for use in cosmetics, personal care, pharmaceutical, and laboratory applications. Formulated at 190 proof (95% ethanol with up to 5% water), it delivers reliable solvency, clean evaporation, and consistent performance in demanding production environments.
This SDA 40B formula contains trace amounts (≤0.125% combined) of tert-butyl alcohol and denatonium benzoate as denaturants and is compliant with United States Title 27 of the Code of Federal Regulations, Section 21.151. Studies have shown low toxicity in topical applications, making SDA-40B a popular choice for perfumes, hand sanitizers, soaps, detergents, and other personal care and cosmetic products.
Ethanol 190 Proof, SDA 40B (95%) USP Grade is offered in multiple package sizes for scale-up, from small-batch R&D through full production, with consistent lot-to-lot quality backed by documentation support.
SDA 40B Specially Denatured Alcohol 190 Proof (95% Ethanol) USP / Reagent Grade Cosmetic & Personal Care
Cosmetic-grade SDA 40B: Specially denatured alcohol with tert-butyl alcohol and denatonium benzoate (≤0.125% combined), optimized for safe topical and personal care formulations.
190 Proof (95%) Ethanol: 95% ethyl alcohol with up to 5% water provides excellent solvency while supporting controlled evaporation in perfumes, sprays, and gels.
USP / Reagent quality: High-purity ethanol suitable for lab use, cosmetic manufacturing, and pharmaceutical workflows where consistent, documented quality is required.
Safety Data Sheet (SDS) Certificates of Analysis (COA)
Why this SDA 40B 190 proof ethanol?

Formulated for personal care: SDA 40B is widely used in perfumes, colognes, sprays, sanitizers, soaps, and cosmetic products due to its balance of solvency, evaporation, and low topical toxicity.
Regulatory compliant: Manufactured to meet United States Title 27 CFR 21.151 requirements with denaturants tert-butyl alcohol and denatonium benzoate at ≤0.125% combined.
High-purity ethanol base: 190 proof (95%) ethanol with up to 5% water provides excellent carrier performance for fragrances, active ingredients, and lab reagents.
Versatile across industries: Ideal for cosmetics, personal care, pharmaceutical compounding, R&D labs, and manufacturing environments that require documented, consistent solvent quality.
Backed by documentation: SDS, technical data, and COA support traceability and help streamline audits, safety reviews, and regulatory approvals.
Get formulation guidance, regulatory insights, and package size recommendations for your process.
Technical Specifications
Property
Ethanol 190 Proof, SDA 40B (95%) USP Grade
CAS RN
64-17-5
Molecular Formula
C 2 H 5 OH
Molecular Weight
46.07 g/mol
Synonyms
Ethanol 190 Proof, Specially Denatured Alcohol, SDA 40B with tert-Butyl Alcohol & Denatonium Benzoate, Denatured Ethanol, Reagent Alcohol, Methylcarbinol, Grain Alcohol, Ethyl Hydroxide, Ethyl Hydrate, Algrain, Alkohol, Anhydrol, Tecsol
Grade
USP / Reagent
Percent Purity
95% (190 Proof)
Chemical Name
Ethanol 190 Proof Denatured
UN Number
1987
Denaturants
Trace tert-Butyl Alcohol & Denatonium Benzoate (≤0.125% combined)
Water Content
Up to 5% water
Common Uses
Perfumes, hand sanitizer, soaps, detergents, cosmetics, personal care products
Industries
Cosmetics & personal care, pharmaceutical, laboratory & R&D, contract manufacturing
Regulatory Compliance
Specially denatured alcohol SDA 40B per United States Title 27 CFR 21.151
Cosmetics & Personal Care Pharmaceutical Chemical Sciences Academic & Research
FAQ

What is Ethanol 190 Proof, SDA 40B (95%) USP Grade?

Ethanol 190 Proof, SDA 40B (95%) USP Grade is a specially denatured ethyl alcohol that contains 95% ethanol and up to 5% water, with trace amounts (≤0.125% combined) of tert-butyl alcohol and denatonium benzoate as denaturants. It is formulated to meet USP / reagent grade expectations for laboratory, cosmetic, and personal care applications while complying with United States Title 27 CFR 21.151.
What is SDA 40B commonly used for?

SDA 40B is widely used in perfumes, colognes, hair and body sprays, hand sanitizers, soaps, detergents, toners, and other personal care and cosmetic products. It is also used in pharmaceutical and laboratory environments as a reliable solvent and carrier where drinkable ethanol is not required or permitted.
Is this SDA 40B suitable for skin-contact products?

Yes. SDA 40B is a popular choice for cosmetic and personal care formulations because studies have shown low toxicity in topical applications when used as directed. However, all finished products should be tested and validated by the formulator to ensure safety, stability, and regulatory compliance for their specific use.
Is this product drinkable or food grade?

No. This ethanol is specially denatured (SDA 40B) with tert-butyl alcohol and denatonium benzoate and is not intended for drinking or food use. It is formulated for cosmetic, personal care, pharmaceutical, and laboratory applications only and should never be ingested.

Specifications
Contains:
200 Proof Denatured w/ t-Butanol & Denatonium Benzoate
CAS No:
67-17-5
UN170:
Ethanol Solutions 3, PG II
Contains:
Ethyl Alcohol Specifically Denatured
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