Polytetradecylmethylsiloxane, also known as PTDMS, is a silicone-based chemical compound that is widely used in the personal care and cosmetic industry. It is a clear, odorless, and non-toxic substance with unique properties that make it an effective skin conditioning agent and emollient. PTDMS forms a protective barrier on the skin, preventing moisture loss and helping to smooth and soften the skin. Its low surface tension and high spreadability also make it suitable for use as a lubricant in various industrial and medical applications.

76684-67-8

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Basic information
1. Product Name: POLYTETRADECYLMETHYLSILOXANE
2. Synonyms: POLYTETRADECYLMETHYLSILOXANE, 1,500-2,000cs;POLYTETRADECYLMETHYLSILOXANE, 700-1,500 cSt;POLYTETRADECYLMETHYLSILOXANE;POLYMETHYLTETRADECYLSILOXANE;Poly(tetradecylmethylsiloxane), viscosity 1500-2000 cSt.;POLY(TETRADECYLMETHYLSILOXANE), VISCOSITY 700-1500 CST.
3. CAS NO:76684-67-8
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: <0°C
2. Boiling Point: >205°C
3. Flash Point: >110°C
4. Appearance: /
5. Density: 0,89 g/cm3
6. Refractive Index: 1.455
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: POLYTETRADECYLMETHYLSILOXANE(CAS DataBase Reference)
10. NIST Chemistry Reference: POLYTETRADECYLMETHYLSILOXANE(76684-67-8)
11. EPA Substance Registry System: POLYTETRADECYLMETHYLSILOXANE(76684-67-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. TSCA: Yes
7. HazardClass: N/A
8. PackingGroup: N/A
9. Hazardous Substances Data: 76684-67-8(Hazardous Substances Data)

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76684-67-8 Usage

Uses

Used in Personal Care and Cosmetic Industry:
Polytetradecylmethylsiloxane is used as a skin conditioning agent and emollient in personal care and cosmetic products for its ability to form a protective barrier on the skin, preventing moisture loss and providing a smooth and soft texture.
Used in Hair Care Products:
In the hair care industry, PTDMS is used to improve the smoothness and manageability of hair, providing a silky texture and reducing frizz.
Used as a Lubricant:
Due to its low surface tension and high spreadability, Polytetradecylmethylsiloxane is used as a lubricant in various industrial applications, including machinery and equipment, to reduce friction and wear.
Used in Medical Applications:
In the medical field, PTDMS is utilized for its lubricating properties, particularly in the manufacturing of medical devices and equipment that require minimal friction and smooth operation.

Check Digit Verification of cas no

The CAS Registry Mumber 76684-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,8 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76684-67:
(7*7)+(6*6)+(5*6)+(4*8)+(3*4)+(2*6)+(1*7)=178
178 % 10 = 8
So 76684-67-8 is a valid CAS Registry Number.

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