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Silicates, borates and other salts

Boron phosphide

Also known as Boron phosphide (BP), boranylidynephosphane, Tridecaboron diphosphide

CAS 20205-91-8Formula BPMolar mass 41.79 g/molEC 234-542-6
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe)
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Boron phosphide chemical structure, BP, CAS 20205-91-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
20205-91-8
Formula
BP
Molar mass
41.79 g/mol
EC number
234-542-6
HS code
285390
Category
Silicates, borates and other salts

What is Boron phosphide?

Plain description, key identifiers and synonyms

Boron phosphide is a chemical substance with the molecular formula BP and a molar mass of 41.79 g/mol. Its CAS registry number is 20205-91-8. The IUPAC name is boranylidynephosphane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
boranylidynephosphane
CAS number
20205-91-8 CAS number cross-checkedOther or deprecated CAS: 12008-82-1
EC numbers
234-542-6, 243-593-3
Molecular formula
BP
InChIKey
FFBGYFUYJVKRNV-UHFFFAOYSA-N
InChI
InChI=1S/BP/c1-2
SMILES (canonical and isomeric)
B#P

Synonyms

  • Boron phosphide (BP)
  • boranylidynephosphane
  • Tridecaboron diphosphide
  • Boron phosphide (B13P2)
  • Boron monophosphide

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
41.79 g/molcalc.
Exact mass
41.9831 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
Danger
GHS02: Flammable
Flammable
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H260In contact with water releases flammable gases which may ignite spontaneously.
  • H301Toxic if swallowed.
Precautionary statements (13)
  • P223Do not allow contact with water.
  • P231 + P232Handle and store contents under inert gas. Protect from moisture.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P335 + P334If on skin: Brush off loose particles from skin. Immerse in cool water or wrap in wet bandages.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P402 + P404Store in a dry place. Store in a closed container.
  • 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

Boron phosphide suppliers

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Boron phosphide price

Indicative price range per kg from live supplier offers

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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

United States

  • TSCA inventory (USA)
    Status: Inactive 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 Boron 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 Boron phosphide is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Boron phosphide?

Boron phosphide is a chemical substance with the molecular formula BP and a molar mass of 41.79 g/mol. Its CAS registry number is 20205-91-8. The IUPAC name is boranylidynephosphane.

What is the CAS number of Boron phosphide?

The CAS registry number of Boron phosphide is 20205-91-8. Other or deprecated CAS numbers: 12008-82-1.

What is the molecular formula and weight of Boron phosphide?

The molecular formula of Boron phosphide is BP and its molar mass is 41.79 g/mol.

Is Boron phosphide hazardous?

Boron phosphide carries the GHS signal word "Danger". Main hazards: in contact with water releases flammable gases which may ignite spontaneously, toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Boron phosphide?

Boron 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 Boron phosphide?

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What is the price of Boron phosphide?

Suppliers quote Boron 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 Boron 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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