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Silicates, borates and other salts

Gallium phosphide

Also known as gallanylidynephosphane, Gallium monophosphide, Gallium phosphide (GaP)

CAS 12063-98-8Formula GaPMolar mass 100.70 g/molEC 235-057-2
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed Drug substance
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Gallium phosphide chemical structure, GaP, CAS 12063-98-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
12063-98-8
Formula
GaP
Molar mass
100.70 g/mol
EC number
235-057-2
HS code
285390
Category
Silicates, borates and other salts

What is Gallium phosphide?

Plain description, key identifiers and synonyms

Gallium phosphide is a chemical substance with the molecular formula GaP and a molar mass of 100.70 g/mol. Its CAS registry number is 12063-98-8. The IUPAC name is gallanylidynephosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
gallanylidynephosphane
CAS number
12063-98-8 CAS number cross-checked
EC number
235-057-2
Molecular formula
GaP
UNII
3J421F73DV
InChIKey
HZXMRANICFIONG-UHFFFAOYSA-N
InChI
InChI=1S/Ga.P
SMILES (canonical and isomeric)
P#[Ga]

Synonyms

  • gallanylidynephosphane
  • Gallium monophosphide
  • Gallium phosphide (GaP)
  • Gallium Phosphoricum
  • Gallium phosphide, 99.99% metals basis
  • Gallium phosphide, 99.99% trace metals basis
  • Gallium phosphide, (single crystal substrate), &#60, 111&#62, , diam. x thickness 2 in. x 0.5 mm

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
100.70 g/molcalc.
Exact mass
99.8993 Dacalc.
LogP (octanol/water)
0.48calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (11)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P337 + P317If eye irritation persists: Get medical help.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Gallium phosphide suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 2 countries

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Gallium phosphide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Gallium phosphide is traded under.

HS 2853.90Indicative HS code

Phosphides, whether or not chemically defined, excluding ferrophosphorus, other, other

World exports in 2024
$2.45B
−33.6% vs 2023, imports $816M
2019 to 2024
Top exporters
  1. China68.4%
  2. Israel8.1%
  3. United States4.9%
Top importers
  1. United States19.3%
  2. Japan17.9%
  3. China13.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Gallium phosphide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Gallium phosphide, based on the data on this page

What is Gallium phosphide?

Gallium phosphide is a chemical substance with the molecular formula GaP and a molar mass of 100.70 g/mol. Its CAS registry number is 12063-98-8. The IUPAC name is gallanylidynephosphane.

What is the CAS number of Gallium phosphide?

The CAS registry number of Gallium phosphide is 12063-98-8.

What is the molecular formula and weight of Gallium phosphide?

The molecular formula of Gallium phosphide is GaP and its molar mass is 100.70 g/mol.

Is Gallium phosphide hazardous?

Gallium phosphide carries the GHS signal word "Warning". Main hazards: causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Gallium phosphide?

Gallium phosphide is usually classified under HS code 285390 (Phosphides, whether or not chemically defined, excluding ferrophosphorus, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Gallium phosphide?

CompoundList lists 3 suppliers of Gallium phosphide in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Gallium phosphide?

Suppliers quote Gallium phosphide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Gallium phosphide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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