Docosyltrimethylammonium Methyl Sulphate Cas 81646-13-1 BTMS50 BTMS80

CAS: 81646-13-1

Molecular Formula: C26H57NO4S

Molecular Weight: 479.81

EINECS: 279-791-1

Synonyms: docosyltrimethylammoniummethylsulphate; 1-Docosanaminium,N,N,N-trimethyl-,methylsulfate; Behenyltrimethylammoniummethylsulfate; docosyl-triMethyl-azaniuM; docosyl(trimethyl)azanium, methylsulfate; docosyl(trimethyl)azanium, methylsulfate(btms2550);

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What is Docosyltrimethylammonium Methyl Sulphate?

Behentrimonium methosulfate, abbreviated as BTMS, CAS 81646-13-1. BTMS 50 is a commonly used cationic surfactant. Behentrimonium methosulfate is generally regarded as a relatively mild and safe ingredient. When used in cosmetics and personal care products, behentrimonium methosulfate complies with relevant safety standards and regulations.

Behentrimonium methosulfate is derived from behenic acid extracted from non transgenic rapeseed oil and synthesized through complicated scientific process. Because of its unique direct adsorption and anti-static properties, the behemoth based structure has a wide range of applications in personal care products. BTMS 50 functions include wetting, cleaning, conditioning, softening, suspension and emulsification.

Specification

Product Name:	docosyltrimethylammonium methyl sulphate/ BTMS50	Batch No.	JL20220703
Cas	81646-13-1	MF Date	Jul. 03, 2022
Packing	25KGS/BAG	Analysis Date	Jul.03, 2022
Quantity	10MT	Expiry Date	Jul. 02, 2024
ITEM	STANDARD		RESULT
Appearance	White flaky/powder		Conform
Active substance content	47-53		50.4%
Free amine	＜1		0.70
Ph	5.0-9.0		6.20
Conclusion	Qualified

Product Name:	docosyltrimethylammonium methyl sulphate/ BTMS80	Batch No.	JL20220717
Cas	81646-13-1	MF Date	Jul. 17, 2022
Packing	25KGS/BAG	Analysis Date	Jul. 17, 2022
Quantity	3MT	Expiry Date	Jul. 16, 2024
ITEM	STANDARD		RESULT
Appearance	White flaky/powder		Conform
Active substance content	79-83		81.0
Free amine	＜1		0.70
Ph	5.0-9.0		6.20
Conclusion	Qualified

Application

I. Core Uses: Hair care products (High proportion)

Behentrimonium methosulfate, as an efficient hair conditioner, can specifically address issues such as dry, frizzy, and difficult-to-comb hair. BTMS 50 is one of the core ingredients in products like conditioners and hair masks. Its specific functions include:

Anti-static: When hair is dry, BTMS 50 is prone to generating static electricity due to friction, which can cause frizz and frizz. The cationic groups of this component can adsorb onto the negatively charged surface of the cuticles, neutralize the charge, reduce the generation of static electricity, and make the hair more smooth and even.

Enhance softness: Its long-chain hydrophobic groups (behenyl, also known as docoyl) can form a thin and smooth film on the surface of the hair, filling the gaps between damaged cuticles, providing a softer and smoother touch and preventing the hair from being rough and dry.

Improve combability: Whether behentrimonium methosulfate is wet hair (after washing) or dry hair (in daily condition), behentrimonium methosulfate can reduce the frictional resistance between hair, allowing the comb to pass through easily and avoiding hair breakage or further damage to the cuticles due to combing and pulling. BTMS 50 is especially suitable for damaged hair types (such as hair after dyeing and perming).

Long-lasting hair care: The components adsorbed on the surface of the hair are not easily washed away by water and can continuously play a conditioning role during subsequent drying and styling processes, prolonging the smooth state of the hair.

Ii. Secondary Uses: Skin care products

In skin care, behentrimonium methosulfate mainly serves as an emulsifier and conditioner, assisting in enhancing the user experience and stability of the product

Emulsification and stabilization: Behentrimonium methosulfate helps to evenly mix oil phase components (such as vegetable oils and oil-based active substances) with water phase components, preventing product stratification. It is often used in emulsion, cream and other dosage forms (such as body lotion, hand cream).

Improve skin feel: When applied, behentrimonium methosulfate can reduce the stickiness of the product, bringing a fresher and smoother skin feel. At the same time, BTMS 50 forms a gentle protective film on the skin surface to help lock in moisture, making it suitable for dry skin.

Iii. Other niche Uses

In addition to personal care, due to its mild surface activity and conditioning properties, behentrimonium methosulfate is also occasionally found in:

Pet care: Some high-end pet hair care products (such as pet hair conditioner) are used to improve the tangling and frizz problems of pet hair (such as long hair of cats and dogs).

Textile auxiliaries: They are used in small amounts in the post-treatment of textiles to enhance the softness and antistatic properties of fabrics (such as cotton and silk fabrics), but their application scope is far smaller than that in the personal care field.