HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.8.0
  1. Home
  2. /Compound

Thiophene-2-carbohydrazide

HCID 73098
New noteNew reactionRequest quotes
Print preview
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
2361-27-5
Standard SMILES
NNC(=O)c1cccs1
InChIKey
SOGBOGBTIKMGFS-UHFFFAOYSA-N
Molecular formula
C5H6N2OS
Average molar mass
142.18 g/mol
Monoisotopic mass
142.02008381

Overview

structure in first source

Names & identifiers

Preferred name
Thiophene-2-carbohydrazide
IUPAC
thiophene-2-carbohydrazide
English name
2-Thiophenecarboxylic acid hydrazide
Molecular formula
C5H6N2OS
Molecular weight
142.18

Names & synonyms

Thiophene-2-carbohydrazide2361-27-5Thiophene-2-carboxylic acid hydrazide2-Thiophenecarboxylic acid, hydrazideW4J3WEF93NNSC-653DTXSID80178271RefChem:189615DTXCID10100762219-107-02-Thiophenecarboxylic acid hydrazide2-Thenoylhydrazine
Show more names
THENOIC HYDRAZIDEAKOS BBS-00004097LABOTEST-BB LT00772322hiophene-2-carbohydrazide2-Thiophenecarbonyl hydrazideThiophene-2-carbohydrazide 98%
2-ThiophenecarbohydrazideThiophene-2-carboxylic hydrazide2-Thiophenecarboxylic hydrazideMFCD000054352-Thiophenecarbohydrazonic acid2-Thiophenecarboxylicacidhydrazide2-Thienylcarboxylic acid hydrazide2-Thenoic hydrazide

Database identifiers

CAS
2361-27-5
PubChem CID
73098
DTXSID
DTXSID80178271
ChEMBL
CHEMBL3091844
UNII
W4J3WEF93N
EC Number
219-107-0
Nikkaji
J170H

Properties

Computed structural properties

XLogP
0.6
Topological polar surface area
83.4 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
3
Rotatable bonds
1
Heavy atoms
9
Formal charge
0
Complexity
118

Physicochemical properties

Melting point
136 · 136-139 °C(lit.)
Density
1.291 · 1.291 (estimate)
refractive index
1.643 · 1.6430 (estimate)
storage temp.
2 · Keep in dark place,Inert atmosphere,2-8°C
form
Crystalline Powder
pka
12.43 · 12.43±0.10(Predicted)
color
Slightly yellow to beige
BRN
114437 · 114437
InChI
1S/C5H6N2OS/c6-7-5(8)4-2-1-3-9-4/h1-3H,6H2,(H,7,8)
InChIKey
SOGBOGBTIKMGFS-UHFFFAOYSA-N
SMILES
NNC(=O)c1cccs1
CAS DataBase Reference
2361 · 2361-27-5(CAS DataBase Reference)
FDA UNII
4 J3WEF93N · W4J3WEF93N
NIST Chemistry Reference
2 · 2-Thiophenecarboxylic acid, hydrazide(2361-27-5)
Comptox DTXSID
80178271 · DTXSID80178271

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H315 (98%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 49 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Irrit. 2 (98%)

Safety data

PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
3
hs_code
2934999090
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xi
hazard_note
Irritant
safety_code
26-36-24/25
Storage Class
11 - Combustible Solids
target organs
Respiratory system
Hazard statements
H315-H319-H335
Hazard Classifications
Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements
P261-P264-P271-P280-P302+P352-P305+P351+P338

Chemistry & industry

Applications · 1 item

Uses2-Thiophenecarboxylic acid hydrazide features a planar molecular structure with cis-oriented torsion angles of less than 10° and serves as a ligand for transition metal complexes involving manganese, cobalt, nickel, copper, zinc, cadmium, palladium, and ruthenium[1]. The compound reacts with isatin in ethanol under reflux to synthesize 2-thiophenecarbonylhydrazone-3-isatin[2].

Upstream & downstream products

Upstream raw materials

Hydrazinium hydroxide solutionEthyl 2-thiophenecarboxylateMethanol

Downstream products

Perfluoropentanoic acidN-phenyl-2-(2-thienylcarbonyl)hydrazinecarbothioamide4-Amino-5-(2-thienyl)-4H-1,2,4-triazole-3-thiol4-Benzyl-5-(2-thienyl)-1,2,4-triazole-3-thiol

Related reactions

28 records
New reaction record
HRID 78615 reaction equation
HRID 78615As reactantuspto-grants-2014_09
HRID 103396 reaction equation
HRID 103396As reactantTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
HRID 115027 reaction equation
HRID 115027As reactantTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
HRID 229757 reaction equation
HRID 229757As reactantuspto-grants-2009_07
HRID 229758 reaction equation
HRID 229758As reactantuspto-grants-2009_07
HRID 229759 reaction equation
HRID 229759As reactantuspto-grants-2009_07
HRID 229768 reaction equation
HRID 229768As reactantuspto-grants-2009_07
HRID 273120 reaction equation
HRID 273120As reactantuspto-grants-2008_11
Page 1 of 4

Compound notes

Loading…

On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
New noteNew reactionRequest quotes
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
315 · H315-H319-H335
Precautionary statements
261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs
Respiratory system
PPE
95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36-24/25
WGK Germany
3 · 3
Hazard Note
Irritant
HS Code
2934999090 · 2934999090
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3