Dibutyl phosphonate

Modify Date: 2025-08-22 06:48:00

Dibutyl phosphonate structure	Common Name	Dibutyl phosphonate
	CAS Number	1809-19-4	Molecular Weight	194.208
	Density	0.995 g/mL at 25 °C(lit.)	Boiling Point	279.0±9.0 °C at 760 mmHg
	Molecular Formula	C₈H₁₉O₃P	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	122.6±18.7 °C
	Symbol	GHS05, GHS07, GHS08	Signal Word	Danger

Name	Dibutyl phosphite
Synonym	More Synonyms

Density	0.995 g/mL at 25 °C(lit.)
Boiling Point	279.0±9.0 °C at 760 mmHg
Molecular Formula	C₈H₁₉O₃P
Molecular Weight	194.208
Flash Point	122.6±18.7 °C
Exact Mass	194.107178
PSA	59.00000
LogP	4.78
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	n20/D 1.423(lit.)
Water Solubility	slightly soluble

Dibutyl phosphonate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HS6475000

CHEMICAL NAME :: Dibutyl phosphite

CAS REGISTRY NUMBER :: 1809-19-4

BEILSTEIN REFERENCE NO. :: 1099706

LAST UPDATED :: 199806

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C8-H19-O3-P

MOLECULAR WEIGHT :: 194.24

WISWESSER LINE NOTATION :: 4OPQO4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3200 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ALBRW* Albright & Wilson Inc. (P.O. Box 26229, Richmond, VA 23260-6229) Volume(issue)/page/year: #OPB-3,1984

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >20 gm/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ALBRW* Albright & Wilson Inc. (P.O. Box 26229, Richmond, VA 23260-6229) Volume(issue)/page/year: #OPB-3,1984

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 1990 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: JIHTAB Journal of Industrial Hygiene and Toxicology. (Cambridge, MA) V.18-31, 1936-49. For publisher information, see AEHLAU. Volume(issue)/page/year: 31,60,1949

Symbol	GHS05, GHS07, GHS08
Signal Word	Danger
Hazard Statements	H312-H315-H318-H335-H351
Precautionary Statements	P302 + P352 + P312-P304 + P340 + P312-P305 + P351 + P338 + P310
Hazard Codes	Xn:Harmful;
Risk Phrases	R21;R36/37/38
Safety Phrases	S26-S36/37/39
RIDADR	1760
WGK Germany	3
RTECS	HS6475000
Packaging Group	I; II; III
HS Code	2920909090

Precursor 10
CAS#:71-36-3 Butanol CAS#:102-85-2 Butyl phosphite CAS#:762-04-9 Diethyl phosphite CAS#:868-85-9 Dimethyl phosphonate
CAS#:1809-20-7 Diisopropyl hyd... CAS#:104-15-4 p-Toluenesulfon... CAS#:13598-36-2 Phosphorous acid CAS#:18108-09-3 butyl hypophosphite
CAS#:2244-27-1 sodium dibutyl ... CAS#:111-92-2 Dibutylamine
DownStream 10
CAS#:1112-30-7 2,2,2-trichloro... CAS#:111751-68-9 dibutyl (1-chlo... CAS#:1085-92-3 dibutoxyphospho... CAS#:108682-53-7 methyl 2-dibuto...
CAS#:100543-40-6 1-[butan-2-yl(b... CAS#:542-69-8 Butyl iodide CAS#:16456-56-7 Phosphonic acid... CAS#:20580-37-4 3-dibutoxyphosp...
CAS#:16672-87-0 Ethephon CAS#:20135-59-5 1-[butoxy(2-chl...

HS Code	2920909090
Summary	2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Addition products of dibutyl phosphite to schiff bases. Kraicheva I.

Phosph. Sulfur Relat. Elem. 134(1) , 287-294, (1998)

Industrial gear oil-a study of the interaction of antiwear and extreme-pressure additives. Fang X, et al.

Tribol. Int. 26(6) , 395-398, (1993)

Bio-Lubricants Development: The Potential Use of Boron-Containing Additives. Dicky D and Dyah SP.

Proceeding of International Conference on Chemical and Material Engineering , (2012)

Dibutyl Phosphite

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MFCD00066633

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mobildbhp

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Dibutyl phosphonate
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Dibutyl phosphonate
Price: ￥198.0/100g ￥658.0/500g
Purity: 95.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Dibutyl phosphite
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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Dibutyl phosphonate

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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