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Chemical substance record

Silane

7803-62-5H4Si32.118 g/mol

The simplest silane, consisting of a single silicon atom carrying four hydrogens. — ChEBI

Safety references

Safety documents & references

2 indexed references
US · NIOSH

Occupational chemical safety guide

Silicon tetrahydride

Read official guide
JP · NITE

Government GHS classification

H30-C-088-MHLW · FY2018

View classification

Find a product-specific SDS

Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.

Identity & molecular properties

Source-linked values
CAS number7803-62-5ChEBI ↗
Molecular formulaH4SiChEBI ↗
Molar mass32.118 g/molChEBI ↗
Monoisotopic mass32.00823 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:29389ChEBI ↗

Cross-source molecular data

PubChem
Molar mass32.117 g/molPubChem ↗
Exact mass32.008226662 DaPubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
silane
silane
BLRPTPMANUNPDV-UHFFFAOYSA-N
[H][Si]([H])([H])[H]
InChI=1S/H4Si/h1H4

Names & synonyms

silicon tetrahydridetetrahydridosilicon

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

Safety classification · Japan

NITE / Japanese government
Japan · FY2018 source classification
Silane · H30-C-088-MHLW
EndpointReported classification
Flammable gases (including chemically unstable gases)Category 1

Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.

Read the original NITE classification

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.0311352 mol

Uses 32.118 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
Si
Silicon · 1 atom
87.45%
H
Hydrogen · 4 atoms
12.55%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:29389

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 23953 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.