Make sure to sign up for an account today for exclusive coupons and free shipping on orders over $75!
Maximum quantity allowed is 999
CAS RN: 78-50-2 | Product Number: T0504
Tri-n-octylphosphine Oxide

Purity: >95.0%(GC)
- TOPO
Size | Unit Price | Philadelphia, PA | Portland, OR | Japan* | Quantity |
---|---|---|---|---|---|
25G |
$40.00
|
1 | 2 | ≥100 |
|
100G |
$111.00
|
2 | 1 | ≥100 |
|
* Items in stock locally ship in 1-2 business days. Items from Japan stock are able to ship from a US warehouse within 2 weeks. Please contact TCI for lead times on items not in stock. Excludes regulated items and items that ship on ice.
* To send your quote request for bulk quantities, please click on the "Request Quote" button. Please note that we cannot offer bulk quantities for some products.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
Product Number | T0504 |
Purity / Analysis Method | >95.0%(GC) |
Molecular Formula / Molecular Weight | C__2__4H__5__1OP = 386.64 |
Physical State (20 deg.C) | Solid |
Storage Temperature | Room Temperature (Recommended in a cool and dark place, <15°C) |
CAS RN | 78-50-2 |
Reaxys Registry Number | 1796648 |
PubChem Substance ID | 87576434 |
SDBS (AIST Spectral DB) | 4972 |
MDL Number | MFCD00002083 |
Appearance | White to Almost white powder to crystal |
Purity(GC) | min. 95.0 % |
Melting point | 52.0 to 56.0 °C |
NMR | confirm to structure |
Melting Point | 54 °C |
Boiling Point | 238 °C/3 mmHg |
Solubility (soluble in) | Methanol |
Pictogram |
![]() |
Signal Word | Danger |
Hazard Statements | H315 : Causes skin irritation. H318 : Causes serious eye damage. |
Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of soap and water. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P362 : Take off contaminated clothing and wash before reuse. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. |
RTECS# | SZ1662500 |
HS Number | 2931.49.0080 |
Articles/Brochures
Safety Data Sheet (SDS)
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Sample C of A
A sample C of A for this product is not available at this time.
Analytical Charts
The requested analytical chart is not available. Sorry for the inconvenience.