Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Dibutyl phosphonate
Price: Check
Purity: 98.0%
Stocking Period: 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%
Stocking Period: 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%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1809-19-4

1809-19-4 structure

1809-19-4 structure

Name: Dibutyl phosphonate
Chemical Name: Dibutyl phosphite
CAS Number: 1809-19-4
Molecular Formula: C₈H₁₉O₃P
Molecular Weight: 194.208
Catalog: Organic raw materials Inorganic acid ester
Create Date: 2018-09-25 20:16:12
Modify Date: 2025-08-22 06:48:00

Name	Dibutyl phosphite
Synonyms	Dibutyl Phosphite Syn-O-Ad P-316 EINECS 217-316-1 propylmethyl phosphonate Phosphonic Acid Dibutyl Ester DI-N-BUTYL HYDROGEN PHOSPHITE DI-N-BUTYL PHOSPHITE Phosphorous acid, dibutyl ester (VAN) Phosphorous acid, dibutyl ester Dibutylfosfit Phosphorous Acid Dibutyl Ester Dibutyl phosphonate Dibutyl hydrogen phosphite (VAN) Phosphonic acid, dibutyl ester Dibutyl hydrogen phosphite DI-N-BUTYL PHOSPHONATE butyl phosphonate Dibutoxyphosphine oxide Dibutyl phosphite (VAN) MFCD00066633 monobutyl butyl phosphonate mobildbhp Butyl phosphite

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

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
71-36-3 102-85-2 762-04-9 868-85-9
1809-20-7 104-15-4 13598-36-2 18108-09-3
2244-27-1 111-92-2
DownStream 10
1112-30-7 111751-68-9 1085-92-3 108682-53-7
100543-40-6 542-69-8 16456-56-7 20580-37-4
16672-87-0 20135-59-5

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%

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