TRIMETHYL PENTAPHENYL TRISILOXANE
UNII HE7ABK56N5

Substance Identification & Data

This profile provides standardized clinical and technical data for Trimethyl Pentaphenyl Trisiloxane, uniquely identified by the FDA Unique Ingredient Identifier (UNII) HE7ABK56N5.

Technical mappings include the Chemical Abstracts Service (CAS) Registry Number 28855-11-0 and the RxNorm Concept ID (RxCUI) 1539814. Explore the sections below for detailed nomenclature and a complete directory of NDC-listed products containing this ingredient.

FDA UNII Code
HE7ABK56N5
CAS Registry Number
28855-11-0
RxNorm Concept ID
1539814

Detailed Substance Profile

Preferred Name
TRIMETHYL PENTAPHENYL TRISILOXANE
Official standardized name for this substance within the FDA UNII nomenclature system.
Molecular Formula
HE7ABK56N5
The specific atomic composition represented as a molecular structure string.
InChIKey
C33H34O2Si3
International Chemical Identifier digital signature for unique molecular identification.
SMILES String
PHLASVAENYNAOW-UHFFFAOYSA-N
Line notation for describing the chemical structure and connectivity of atoms.
PubChem CID
76925
Unique identification number in the NCBI database of chemical substances.
Substance Type
chemical
ISO 11238 classification category (e.g., Chemical, Polymer, Protein).
Ingredient Role
[Si](c1ccccc1)(c2ccccc2)(O[Si](O[Si](c3ccccc3)(c4ccccc4)C)(C)c5ccccc5)C

Synonyms and Nomenclature

This section provides a complete list of nomenclature and identifier mappings for Trimethyl Pentaphenyl Trisiloxane. Identifiers are organized into official regulatory terms, commercial trade names, and technical systematic synonyms used to ensure accurate identification across clinical pharmaceutical databases, regulatory filings, and electronic health records.

FDA Official Name

TRIMETHYL PENTAPHENYL TRISILOXANE

Common Names & Synonyms

DOW CORNING 555
DOW CORNING 705
TRIMETHYLPENTAPHENYL TRISOLOXANE

Systematic Nomenclature

1,3,5-TRIMETHYL-1,1,3,5,5-PENTAPHENYLTRISILOXANE
PENTAPHENYLTRIMETHYLTRISILOXANE
TRISILOXANE, 1,3,5-TRIMETHYL-1,1,3,5,5-PENTAPHENYL-

NDC Products Containing TRIMETHYL PENTAPHENYL TRISILOXANE

This unique ingredient identifier is listed as an ingredient or substance in the following products in the NDC directory:

Manufacturer Quick Index

→ FOURCOMPANY CO., LTD. 3
→ PARFUMS CHRISTIAN DIOR 1
→ Parfums Christian Dior 87

FOURCOMPANY CO., LTD.

PARFUMS CHRISTIAN DIOR

Parfums Christian Dior

External Clinical & Regulatory Resources

CAS
Common Chemistry
NCATS
Inxight Drugs
NLM
DailyMed Products
NCATS
GSRS Full Record
NLM
PubChem Compound