HSN Code 29310061: O,o-dimethyl methyl phosphonate

HSN Code 29310061 represents O,o-dimethyl methyl phosphonate under GST classification. This code helps businesses identify O,o-dimethyl methyl phosphonate correctly for billing, taxation, and trade. With HSN Code 29310061, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of O,o-dimethyl methyl phosphonate.

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Description of Goods for O,o-dimethyl methyl phosphonate

HSN Code 29310061 relates to the following description:

Chapter Number Chapter Name Sub Chapter Number Sub Chapter Name Description of Goods CGST
(%)
SGST
(%)
IGST
(%)
CESS
(%)
29 Organic chemicals 2931 Other organo-inorganic compounds 1 propanaminium n,n,n trimethyl 3-[1-oxo-9-octadecenyl amino] -(z)-methyl methyl phosphonate 9% 9% 18% 0%

Description of goods

1 propanaminium n,n,n trimethyl 3-[1-oxo-9-octadecenyl amino] -(z)-methyl methyl phosphonate

Chapter

29 – Organic chemicals

Sub Chapter

2931 – Other organo-inorganic compounds

CGST 9%
SGST 9%
IGST 18%
CESS 0%

What does HSN Code 29310061 not include?

O,o-dimethyl methyl phosphonate does not include products with the following descriptions:

HSN Code Description
Other organo-inorganic compounds - other organo-inorganic compounds : organo-mercury compounds
Phosphonic acid,methyl -
Phosphonic acid,ethyl
Phosphonic acid,propyl
Phosphinic acid,methyl-
Phosponic acide,[methyl-(5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl]ester
Phosphonic acide,[methyl-bis (5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl] ester
Phosphonic acid,methyl,dimethyl ester
Phosphonic acid propyl dimethyl ester
Phosphonic acid ethyl-diethyl ester
Phosphonochloridic acid methyl-,methyl ester
Phosphonous acid- methyl diethyl ester
O,o-dimethyl methyl phosphonate
Phosphonothioic dichloride,ethyl-
Phosphonic dichloride,methyl
Phosphonous dichloride,methyl-
Tetramethyl lead and tetraethyl lead:Tetramethyl lead
Other organo-inorganic compounds-tetramethyl lead and tetraethyl lead—tetraethyl lead
Tetramethyl lead and tetraethyl lead:Tetraethyl lead
Tributyltin compounds
Dimethyl methylphosphonate
Dimethyl propylphosphonate
Diethyl ethylphosphonate
Sodium 3-(trihydroxysilyl)propyl methylphosphonate
2, 4, 6-tripropyl-1, 3, 5, 2, 4, 6-trioxatriphosphinane 2, 4, 6-trioxide
(5-ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl)methyl methylphosphonate
Bis[(5-ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl) methyl] methylphosphonate
Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 1)
Other
Non-halogenated organo-phosphorous derivatives: Dimethyl methylphosphonate
Non-halogenated organo-phosphorous derivatives: Dimethyl propylphosphonate
Non-halogenated organo-phosphorous derivatives: Diethyl ethylphosphonate
Non-halogenated organo-phosphorous derivatives: Methylphosphonic acid
Non-halogenated organo-phosphorous derivatives: Salt of methylphosphonic acid and (aminoimino- methyl)urea (1: 1)
Non-halogenated organo-phosphorous derivatives: 2, 4, 6-Tripropyl-1, 3, 5, 2, 4, 6-trioxatriphosphinane 2, 4, 6-trioxide
Non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan -5-yl)methyl methyl methylphosphonate
Non-halogenated organo-phosphorous derivatives: 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide
Non-halogenated organo-phosphorous derivatives: Other: Sodium 3-(trihydroxysilyl) propyl methylphosphonate
Non-halogenated organo-phosphorous derivatives: Other: Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate
Glyphosate (iso)
Non-halogenated organo-phosphorous derivatives: Other: Other
Halogenated organo-phosphorous derivatives: Methylphosphonic dichloride
Halogenated organo-phosphorous derivatives: Propylphosphonic dichloride
Halogenated organo-phosphorous derivatives: O-(3-chloropropyl) O-[4-nitro-3-(tri-fluoromethyl) phenyl] methylphosphonothionate
Halogenated organo-phosphorous derivatives: Trichlorfon (ISO)
Halogenated organo-phosphorous derivatives: Other
Other organo-inorganic compounds -other—organo arsenic compounds
Other: Organo arsenic compounds: Methylarsonic acid and its salt
Other: Organo arsenic compounds: Cacodylic acid and its salt
Other: Organo arsenic compounds: p-Aminophenylarsonic acid and its salt
Other: Organo arsenic compounds: Amino-hydroxyphenylarsonic acids, their formyl and acetyl derivatives and their salts
Other: Organo arsenic compounds: Arsenobenzene and its derivatives
Other: Organo arsenic compounds: Other
Other: Organo-silicon compounds
Other: o-Iodosobenzoic acid
Other: Other

Other organo-inorganic compounds - other organo-inorganic compounds : organo-mercury compounds

Phosphonic acid,methyl -

Phosphonic acid,ethyl

Phosphonic acid,propyl

Phosphinic acid,methyl-

Phosponic acide,[methyl-(5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl]ester

Phosphonic acide,[methyl-bis (5-ethyl-2-methyl 2-oxido- 1,3,2-dioxaphosphorinan-5-yl) methyl] ester

Phosphonic acid,methyl,dimethyl ester

Phosphonic acid propyl dimethyl ester

Phosphonic acid ethyl-diethyl ester

Phosphonochloridic acid methyl-,methyl ester

Phosphonous acid- methyl diethyl ester

O,o-dimethyl methyl phosphonate

Phosphonothioic dichloride,ethyl-

Phosphonic dichloride,methyl

Phosphonous dichloride,methyl-

Tetramethyl lead and tetraethyl lead:Tetramethyl lead

Other organo-inorganic compounds-tetramethyl lead and tetraethyl lead—tetraethyl lead

Tetramethyl lead and tetraethyl lead:Tetraethyl lead

Tributyltin compounds

Dimethyl methylphosphonate

Dimethyl propylphosphonate

Diethyl ethylphosphonate

Sodium 3-(trihydroxysilyl)propyl methylphosphonate

2, 4, 6-tripropyl-1, 3, 5, 2, 4, 6-trioxatriphosphinane 2, 4, 6-trioxide

(5-ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl)methyl methylphosphonate

Bis[(5-ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl) methyl] methylphosphonate

Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 1)

Non-halogenated organo-phosphorous derivatives: Dimethyl methylphosphonate

Non-halogenated organo-phosphorous derivatives: Dimethyl propylphosphonate

Non-halogenated organo-phosphorous derivatives: Diethyl ethylphosphonate

Non-halogenated organo-phosphorous derivatives: Methylphosphonic acid

Non-halogenated organo-phosphorous derivatives: Salt of methylphosphonic acid and (aminoimino- methyl)urea (1: 1)

Non-halogenated organo-phosphorous derivatives: 2, 4, 6-Tripropyl-1, 3, 5, 2, 4, 6-trioxatriphosphinane 2, 4, 6-trioxide

Non-halogenated organo-phosphorous derivatives: (5-Ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan -5-yl)methyl methyl methylphosphonate

Non-halogenated organo-phosphorous derivatives: 3,9-Dimethyl-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5] undecane 3,9-dioxide

Non-halogenated organo-phosphorous derivatives: Other: Sodium 3-(trihydroxysilyl) propyl methylphosphonate

Non-halogenated organo-phosphorous derivatives: Other: Bis[(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl] methylphosphonate

Glyphosate (iso)

Non-halogenated organo-phosphorous derivatives: Other: Other

Halogenated organo-phosphorous derivatives: Methylphosphonic dichloride

Halogenated organo-phosphorous derivatives: Propylphosphonic dichloride

Halogenated organo-phosphorous derivatives: O-(3-chloropropyl) O-[4-nitro-3-(tri-fluoromethyl) phenyl] methylphosphonothionate

Halogenated organo-phosphorous derivatives: Trichlorfon (ISO)

Halogenated organo-phosphorous derivatives: Other

Other organo-inorganic compounds -other—organo arsenic compounds

Other: Organo arsenic compounds: Methylarsonic acid and its salt

Other: Organo arsenic compounds: Cacodylic acid and its salt

Other: Organo arsenic compounds: p-Aminophenylarsonic acid and its salt

Other: Organo arsenic compounds: Amino-hydroxyphenylarsonic acids, their formyl and acetyl derivatives and their salts

Other: Organo arsenic compounds: Arsenobenzene and its derivatives

Other: Organo arsenic compounds: Other

Other: Organo-silicon compounds

Other: o-Iodosobenzoic acid

Other: Other

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FAQs for HSN Code 29310061

What products are classified under HSN 29310061 ?

It includes Buprofezin (iso)

Any common misclassification issue with O,o-dimethyl methyl phosphonate?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

Do e‑way bill and e‑invoice apply for O,o-dimethyl methyl phosphonate?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

How much GST applies to O,o-dimethyl methyl phosphonate?

Under HSN 29310061, O,o-dimethyl methyl phosphonate attracts Varies when sold in taxable form. Describe the exact form on the invoice.

How should mixed supplies be billed when O,o-dimethyl methyl phosphonate is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for O,o-dimethyl methyl phosphonate; Nil for exempt items if applicable).

Can we claim ITC on inputs used to trade O,o-dimethyl methyl phosphonate?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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