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Substance Name: Polydimethylsiloxanes
RN: 63148-62-9

Note

  • Antifoam agent used to cause artificial silicone embolism in rabbits; Hydrosystem is a modified poly(dimethylsiloxane) wetting agent that can be sprayed on prepared tooth surfaces.

Molecular Formula

  • Unspecified
 

Classification Codes

  • Mutation Data
  • Reproductive Effect
  • Skin / Eye Irritant
  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)
  • TSCA UVCB
  • Tumor Data
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Links to Resources

Names and Synonyms

Name of Substance

  • Baysilon
  • Polydimethylsiloxanes

Synonyms

  • alpha-(Trimethylsilyl)poly(oxy(dimethylsilylene))-omega-methyl
  • alpha-Methyl-omega-methoxypolydimethylsiloxane
  • Baysilon
  • DC 35A
  • DC 35B
  • DC 360
  • Dimethyl siloxanes and silicones
  • Dimethylpolysiloxane hydrolyzate
  • Dow Corning 2-1463
  • H 1-10000
  • HSDB 6775
  • KO 08
  • PMS 200A
  • Poly(dimethylsiloxane)
  • Poly(oxy(dimethylsilylene)), alpha-(trimethylsilyl)-omega-((trimethylsilyl)oxy)
  • Polydimethyl silicone oil
  • Polydimethylsiloxane dc 360
  • Polydimethylsiloxane, methyl end-blocked
  • Polyoxy(dimethylsilylene), alpha-(trimethylsilyl)-omega-hydroxy
  • Rhodorsil 340
  • SF-1098
  • SH 200-1000CS
  • Si-O-Sil SS-101-350
  • Silak M 10
  • Silastic
  • Silicone DC 200
  • Silicone DC 360
  • Silicone DC 360 fluid
  • Silicone oil
  • Silicone oils
  • Silicone release L 45
  • Silikon antifoam FD 62
  • Siloxane and silicones, dimethyl
  • Siloxane, dimethyl-
  • Siloxanes and Silicones, di-Me
  • Siloxanes and silicones, dimethyl
  • Syltherm 800
  • UC liquid G
  • Union carbide liquid G
  • XF-13-563

Systematic Names

  • Silicone L-45
  • Siloxanes and Silicones, di-Me
  • Slyterm XLT

Superlist Names

  • Dimethylpolysiloxane minimum number average molecular weight (in amu), 6,800
  • Polydimethylsiloxane
  • Polydimethylsiloxane (10 centistoke)
  • Polydimethylsiloxane (350 centistoke)
  • Silicones and siloxanes, dimethyl

Registry Numbers

CAS Registry Number

  • 63148-62-9

Other Registry Numbers

  • 12648-49-6
  • 12684-12-7
  • 1471301-69-5
  • 1669409-87-3
  • 1669410-33-6
  • 167748-54-1
  • 2028348-45-8
  • 2161362-23-6
  • 37221-45-7
  • 39476-41-0
  • 53125-20-5
  • 83047-13-6
  • 9049-10-9
  • 9076-36-2

System Generated Number

  • 0063148629

Structure Descriptors

Smiles

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Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD oral > 10gm/kg (10000mg/kg)   National Technical Information Service. Vol. OTS0590148,
mouse LDLo intraperitoneal 16mL/kg (16mL/kg) IMMUNOLOGICAL INCLUDING ALLERGIC: DECREASE IN HUMORAL IMMUNE RESPONSE

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

IMMUNOLOGICAL INCLUDING ALLERGIC: DECREASE IN CELLULAR IMMUNE RESPONSE
National Technical Information Service. Vol. OTS0572697,
rabbit LC inhalation > 978gm/m3/7.5 (978000mg/m3)   National Technical Information Service. Vol. OTS0590149,
rabbit LD skin > 20mL/kg (20mL/kg)   Union Carbide Data Sheet. Vol. 1/14/1972,
rabbit LD skin > 10200mg/kg (10200mg/kg)   National Technical Information Service. Vol. OTS0572436,
rabbit LD50 skin > 2gm/kg (2000mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
National Technical Information Service. Vol. OTS0537687,
rat LD intramuscular > 1200uL/kg (1.2mL/kg) IMMUNOLOGICAL INCLUDING ALLERGIC: INCREASE IN HUMORAL IMMUNE RESPONSE National Technical Information Service. Vol. OTS0572813,
rat LD oral > 50mL/kg (50mL/kg)   Union Carbide Data Sheet. Vol. 1/14/1972,
rat LD oral > 5gm/kg (5000mg/kg)   National Technical Information Service. Vol. OTS0572658,
rat LD50 oral > 17gm/kg (17000mg/kg)   National Technical Information Service. Vol. OTS0537687,
rat LD50 oral > 17gm/kg (17000mg/kg) KIDNEY, URETER, AND BLADDER: OTHER CHANGES National Technical Information Service. Vol. OTS0537687,
rat LD50 oral > 24gm/kg (24000mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" National Technical Information Service. Vol. LMF-69,