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Substance Name: Orthosilicic acid
RN: 10193-36-9
UNII: 623B93YABH
InChIKey: RMAQACBXLXPBSY-UHFFFAOYSA-N

Molecular Formula

  • H4-O4-Si

Molecular Weight

  • 96.1136
 
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Names and Synonyms

Name of Substance

  • Orthosilicic acid

Synonyms

  • EINECS 233-477-0
  • Monosilicic acid
  • Orthosilicic acid
  • Silica, colloidal
  • Silicasol
  • Silicic acid (Si(OH)4)
  • Silicon tetrahydroxide
  • Tetrahydroxysilane
  • UNII-623B93YABH

Systematic Names

  • Silicic acid (H4SiO4)
  • Silicic acid (ortho)
  • Tetrahydroxysilane

Registry Numbers

CAS Registry Number

  • 10193-36-9

FDA UNII

  • 623B93YABH

Other Registry Numbers

  • 23643-07-4
  • 28498-23-9
  • 30772-43-1
  • 39350-04-4
  • 62647-18-1

Related Registry Number

  • 1343-98-2 (Parent)

System Generated Number

  • 0010193369

Structure Descriptors

InChI

1S/H4O4Si/c1-5(2,3)4/h1-4H

InChIKey

RMAQACBXLXPBSY-UHFFFAOYSA-N

Smiles

[Si](O)(O)(O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LDLo intraperitoneal 120mg/kg (120mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.
guinea pig LDLo intravenous 100mg/kg (100mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.
mouse LDLo intraperitoneal 40mg/kg (40mg/kg) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: TREMOR

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.
mouse LDLo intravenous 100mg/kg (100mg/kg) BLOOD: CHANGE IN CLOTTING FACTORS

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.
rabbit LDLo intravenous 100mg/kg (100mg/kg) LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

BEHAVIORAL: EXCITEMENT

CARDIAC: OTHER CHANGES
British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.
rat LDLo intravenous 100mg/kg (100mg/kg) BLOOD: CHANGE IN CLOTTING FACTORS British Journal of Experimental Pathology. Vol. 3, Pg. 75, 1922.