S.No.

Degree of Toxicity

Medium lethal dose by the oral route (oral toxicity) LD50 (mg/kg) body weight of test animals

Medium lethal dose by the dermal route (dermal toxicity) LD 50 (mg/kg) body weight of test animals

Medium lethal concentration by inhalation route (four hours) LC 50 (mg/l) inhalation on test animals

1

Extremely toxic

1 - 50

1 - 200

0.1 - 0.5

2

Highly toxic

51 - 500

201 - 2000

0.5 - 2.0

Sl. No.

Name of the Chemical

1

Acetone

2

Acetone Cynohydride

3

Acetyle Chloride

4

Acetylene (Ethyne)

5

Acrolein (2-Propenal)

6

Acrylonitrile

7

Aldicarb

8

Aldrin

9

Alkyl Phthalate

10

Allyl Alcohol

11

Allylamine

12

Alpha Naphthyl Thiourea (Antu)

13

Aminodiphenyl-4

14

Aminophenol-2

15

Amiton

16

Ammonia

17

Ammonium Nitrate

18

Ammonium Nitrates in fertilizers

19

Ammonium Sulfamate

20

Anabasine

21

Aniline

22

Anisidine-p

23

Antimony and Compounds

24

Antimony Hydride (Stibine)

25

Arsenic Hydride (Arsine)

26

Arsenic Pentoxide, Arsenic (v) Acid, and Salts

27

Arsenic Trioxide, Alsenious (iii) Acids and Salts

28

Asbestos

29

azinophos-Ethyl

30

Azinphos-Methyl

31

Banum Azide

32

Benzene

33

Benzidine

34

Benzidine Salts

35

Benzoquinone

36

Benzoyl Chloride

37

Benzoyl Peroxide

38

Benzyl Chloride

39

Benzyl Cynide

40

Beryllium (Powders Compound)

41

Biphenyl

42

Bis ( 2-Clzloromethyl ) Ketone

43

Bis (2, 4, 6-Trinitrophynile) Amine

44

Bis (2, Chloroethyle sulphide)

45

Bis (Chloromethyl) ether

46

Bis (tert-Butyl peroxy) Butane-2, 2

47

Bis (tert-Butyl peroxy) Cyclohexane-11

48

Bis-1, 2 Tribromophenoxy Ethane

49

Bis phenol

50

Boron and Compounds

51

Bromine

52

Bromine Pentafluoride

53

Bromoform

54

Butoadine

55

Butane

56

Butanethiol

57

Butanone-2

58

Butoxy Ethanol

59

Butyl Glycidal Ether

60

Butyl Peroxy acetate, tert

61

BUtyL Peroxyisobutyrate, tert

62

Butyl Peroxyisopropyl Carbonate, tert

63

Butyl Peroxymaleate, tert

64

Butyl Peroxypivalate, tcrt

65

Butyl Vinyl Ether

66

Buty-n-Mercaptan

67

Butylamine

68

C-9, Aromatic Hydrocarbon Fraction

69

Cadmium and Compounds

70

Cadmium Oxide (fumes)

71

Calcium Cynicde

72

Captan

73

Captofol

74

Carbaryl (Sevin)

75

Carbofuran

76

Carbon Disulphide

77

Carbon Monoxide

78

Carbon Tetrachloride

79

Carbophenothion

80

Cellulose Nitrate

81

Chlorats (used in explosives)

82

Chlordane

83

Chlorfenvinphos

84

Chlorinated Benzenes

85

Chlorine

86

Chlorine Di Oxide

87

Chlorine Oxide

88

Chlorine Trifluoride

89

Chloromequal Chloride

90

Chloroacetalchloride

91

Chloroacetaldehyde

92

Chloroanilin-2

93

Chloroaniline4

94

Chlorobenzene

95

Chlorodiphenyl

96

Chloropoxypropane

97

Chloroethanol

98

Chloroethyl

99

Chloroformate

100

Chorolfluorocarbons

101

Chloroform

102

Chloroformyl-4, Merpholine

103

Chloromethane

104

Chloromethyl Ether

105

Chloromethyl Methyl Ether

106

Chloronitrobenzene

107

Chloroprene

108

Chlorosulphonic Acid

109

Chlorotrinitro benzene

110

Chloroxuron

111

Chromium and Compounds

112

Cobalt and Compounds

113

Copper and Compounds

114

Coumafuryl

115

Coumaphos

116

Coumateralyl

117

Cresols

118

Cumidine

119

Cumene

120

Cynophos

121

Cynothoate

122

Cyanuric Fluoride

123

Cyclohexane

124

Cyclohexanol

125

Cyclohexane

126

Cycloheximide

127

Cyclopentadinene

128

Cyclopentane

129

Cyclotetramethylenetrinitramine

130

Cyclotriethylene Trinitramine

131

DDT

132

Dicarbomodiphenyl Oxide

133

Demeton

134

Di-Isobutyl Peroxide

135

Di n-Propyl Peroxydicarbonate

136

Di-sec-Butyl Peroxydicarbonate

137

Dalifos Mazodinitrophewl

138

Diszomethane

139

Dibenzyl Peroxydicarbonate

140

Diehloroaeetylene

141

Diehlorobenzene-0

142

Dichlorobenzene-2

143

Di-chloroethane

144

Dichlorethyl Ether

145

Dichlorophenol-2, 4

146

Dichlorophenol-2, 6

147

Dichlorophenoxy Acetic Acid, -2,4 (2,4-D)

148

Dichloropropane-1, 2

149

Diehlorosalicylic Acid, -3,5

150

Dichlorovos (DDVP)

151

Dicrotophos

152

Dieldrin

153

Diepoxybutane

154

Diethyl Peroxydicarbonate

155

Diethyl Glycol Dinitrate

156

Diethylene Triarnine

157

Diehyleneglycol Butyl Ether/Diethyleteglycol Butyl Acetate

158

Diethylenetriarnine (DETA)

159

Diglycidyl Ether

160

Dihydroperoxypropane, -2,2

161

Diisobutyryl Peroxide

162

Dimethoate

163

Dimethyl Phosphoramidocynidic Acid

164

Dimelhyl Phthalate

165

Dimethylcarbonyl

166

Dimethylnitrosamine

167

Dinitrophenol, Salts

168

Dinitroluene

169

Dinitro-o-Cresol

170

Dioxane

171

Dioxathion

172

Dioxalane

173

Diphacinone

174

Diphosphoramide Octamethyl

175

Dipropylene Glycolmethylether

176

Disulfoton

177

Endosulfan

178

Endrin

179

Epiehlorohydrine

180

EPN

181

Epoxypropane, 1, 2

182

Ehion

183

Ethyl Carbarnate f

184

Ethyl ether

185

Ethyl Hexanol, -2

186

Ethyl Mercaptan

187

Ethyl Methacrylate

188

Ethyl Nitrate

189

Ethylamine

190

Ethylene

191

Ethylene Chlorohydrine

192

Ethylene Diamine

193

Ethylene Dibromide

194

Ethylene Dichloride

195

Ethylene Glycol Dinitrate

196

Ethylene Oxide

197

Ethyleneimine

198

Ethylthiocynate

199

Fensulphothion

200

Fluenetil

201

Fluoro, -4,2-Hydroxybutyric Acid and Salts, Esters, Amides

202

Fluoroacetic Acid and Salts, Esters, Amides

203

Fluorobutyric Acid, -4, and Salts, Esters, Amides

204

Fluorocrotonic Acid, -4, and Salts, Esters, Amides

205

Formaldehyde

206

Glyconitrite (Hydroxyacetonitrite)

207

Guanyl, -1, 4 Nitrosaminoguanyl-1-Tetrazenc

208

Heptachlor

209

Haxachloro Cyclopentadiene

210

Hexachlorocyclohexane

211

Hexachlorocy cloamethane

212

Hexachlorodibenzo-p-Dioxin, -1, 2, 3, 7, 8, 9

213

Hexafluoropropene

214

Hexamethylphosphoramide

215

Hexamethyl, -3, 3, 6, 6, 9, 9, -1, 2, 4, 5-Tetroxacyclononane

216

Hexamethylenediamine

217

Hexane

218

Hexanitrosstibene, -2, 2, 4, 4, 6, 6,

219

Hexavalent Chromium

220

Hydrazine

221

Hyrazine Nitrate Hydrochloric Acid

222

Hydrogen

223

Hydrogen Bromide (Hydrobromic Acid)

224

Hydrogen Chloride (Liquified Gas)

225

Hydrogen Cynide

226

Hydrogen Fluoride

227

Hydrogen Selenide

228

Hydrogen Sulphide

229

Hydroquinone

230

Iodine

231

Isobenzan

232

Isodrin

233

Isophorone Diisocynate

234

Isopropyl Ether

235

Juglone (5-Hydroxynaphthalene-1, 4-Dione)

236

Lead (inorganic fumes & dusts)

237

Lead 2, 4, 6 -Trinitroresorcinoxide (Lead Styphnate)

238

Lead Azide

239

Leptophos

240

Lindane

241

Liquified Petroleum Gas (LPG)

242

Maleic Anhydride

243

Manganese & Compounds

244

Mercapto Benzothiawle

245

Mercury Alkyl

246

Mercury Fulminate

247

Mercury Methyl

248

Methacrylic Anhydride

249

Methacrylonitrite

250

Methacryloyl Chloride

251

Methamidophos

252

Methanesuphonyl Fluoride

253

Methanethiol

254

Methoxy Ethanol (2-Methyl Cellosive)

255

Methoxy ethyl mercuric Acetate

256

Methyl Acrylate

257

Melhyl Alcohol

258

Methyl Amylketone

259

Methyl Bromide (Bromomethane)

260

Methyl Chloride

261

Methyl Chloroform

262

Methyl Cyclohexene

263

Methyl Ethyl Ketone Peroxide

264

Methyl Hydrazine

265

Methyl Isobutyl Ketone

266

Methy Isobutyl Ketone Peroxide

267

Mthyl Isocycnate

268

Methyl Isothiocynate

269

Methyl Mercaptian

270

Methyl Methacrylate

271

Methyl Parathion

272

Methyl Phosphonic Dichloride

273

Methyl-N, 2, 4, 6,-Trinitroaniline

274

Methylene Chloride

275

Methylenebis, -4, 4, (2-Chloroaniline)

276

Methyltrichlcrosilane

277

Mevinphos

278

Molybdenum & Compounds

279

N-Methyl-N, 2, 4, 6-N-Tetranitroanilin

280

Naptha (Coal Tar)

281

Naphthylamine, 2

282

Nickel & Compounds

283

Nickel Tetracarbonyl

284

Noitroaniline-O

285

Nitroaniline-P

286

Nitrobenzene

287

Nitrochloroberizene-P

288

Nitrocyclohexane

289

Nitriothage

290

Nitrogen.Dioxide

291

Nitrogen Oxide

292

Nitrogen Trifluoride

293

Nitroglycerine

294

Nitrophenol-P

295

Nitropropane-1

296

Nitropropane-2

297

Nitrosodirnethylarnine

298

Nitrotolune

299

Octabrornophenyl Oxide

300

Oleurn

301

Oleylarnine

302

OO-Diethyl S-EthyIsulphonyImethyl phosbhorothioate

303

OO-Diethyl S-Ethylthiornethyl Phosphorothioate

304

OO-Diethyl S-Ethiomethyl'Phosphorathioate

305

OO-Diethyl S-1sopropyliniornethyl Phosphorolithioate

306

OO-diethyl S-Propylthiornethyl Phosphorodithioate

307

Oxyarnyl

308

Oxydisulioton

309

Oxygen (Liquid)

310

Oxygen Difluoride

311

Ozone

312

Paraoxon (Diethyl 4-Nitrophenyl Phosphate)

313

Paraquat

314

Parathion

315

Parathion Methyl

316

Paris green (Bis Aceto Hexametaatsinito Tetracopper)

317

Pentaborane

318

Pentabromodiphenyl Oxide

319

Pentabromophenol

320

Pentachloro Naphthalene

321

Pentachloroethane

322

Petachlorophenol

323

Pentacrythritol Tetranitrate

324

Pentane

325

Peracetic Acid

326

Perchloroethylene

327

Perchlorornethyl Mercaptan

328

Pentanone, 2,4-Methyl

329

Phenol

330

Phenyl Glycidal Ether

331

Phenylene p-Diarnine

332

Phenylmercury Acetate

333

Phorate

334

Phosacetim

335

Phosalone

336

Phosfolan

337

Phosgene (Carbonyl Chloride)

338

Phosmet

339

Phospamidon

340

Phosphine (Hydrogen Phosphide)

341

Phosphoric Acid and Esters

342

Phosphoric Acid, Bromethyl Bromo (2,2-dimethylpropyl) Bromoethyl Ester

343

Phosphoric Acid, Bromoethyl Bromo (2,2-Dimethylpropyl) Chlorethyethyl Ester

344

Phosphoric Acid, Chlorocthyl Bromo (2,2-Dimethoxylpropyl) Chloroethyl Ester

345

Phosporous & Compounds

346

Phostalan Pircic Acid (2,4,6-Trinitrophenol)

347

Polybrominaled Biphenyl

348

Potassium Arsenite

349

Potassium Chlorate

350

Promurit (1-(3, 4-Dichlorophenyl)-3-Triazenethiocarboxamide)

351

Propanesultone-1, 3

352

Propen,-1, 2-Chloro-1,3-Diol-Diacetate

353

Propylene Dichloride

354

Propylene Oxide

355

Propyleneimine

356

Pyrazoxon

357

Selenium Hexafluoride

358

Semicarbazide Hydrochloride

359

Sodium Arsenite

360

Sodium Azide

361

Sodium Chlorate

362

Sodium Cynide

363

Sodium Picramate

364

Sodium Selenite

365

Styrene, 1, 1, 2, 2-Tetrachloroethane

366

Sulfotep

367

Sulphur Dichloride

368

Sulphur Dioxide

369

Sulphur Trioxide

370

Sulphuric Acid

371

Sulphoxide, 3-Chloropropyloctyl

372

Tellurium

373

Tellurium Hexafluoride

374

Tepp

375

Terbufos

376

Tetrabromobisphenol-A

377

Tetrachloro, 2, 2, 5, 6, 2, 5-Cyclohexadiene-1, 4-Dione

378

Tetrachlorodibenzo-p Dioxin, 2, 3, 7, 8 (TCDD)

379

Tetraethyl Lead

380

Tetrafluoroethane

381

Tetramethylenedisulphotetramine

382

Tetramethyl Lead

383

Tetramnitromethane

384

Thalium & Compounds

385

Thionzin

386

Thionyl Chloride

387

Tirpate

388

Toluene

389

Toluidien-2, 4 Diisocynate

390

Toluidiene-O

391

Toluene 2, 6-Diisocynate

392

Trans-1, 4-Chlorobutene

393

Tri, -1 (Cyclohexyl) Stannyl-1H, 1, 2, 4-Trazole

394

Triamino, -1, 3, 5, 2, 4, 6-Trinitrobenzene

395

Tribromophenol, 2, 4, 6

396

Trichloro Acetyl Chloride

397

Trichloro Ethane

398

Trichloro Naphthalene

399

Ttichloro (chloromethyl) Silane

400

Trichlorodichlorophenylsilane

401

Triochloroethane, l, l, l

402

Trichloroethyl Silane

403

Trichloroethylene

404

Trichloromethanesulphenyl Chloride

405

Trichlorophenol, 2, 2, 6

406

Trichlorophenol, 2, 4, 5

407

Triethylamine

408

Triethylenemelamine

409

Trimethyl Chlorosilane

410

Trimethylopropane Phosphite

411

Trinitroaniline

412

Trinitroanisole, 2, 2, 4, 6

413

Trinolrobenzene

414

Trinitrobenzoic Acid

415

Trinitrocresol

416

Trinitrophenetole, 2, 4, 6

417

Trinitroesorcinol, 2, 4, 6 (Styphnic Acid)

418

Trinitrotoluene

419

Triorthocressyl Phosphate

420

Triphenylin Chloride

421

Turpenline Uranium & Compounds

422

Vanadium & Compounds

423

Vinyl Chloride

424

Vinyl Fluoride

425

Warfarin

426

Xylene

427

Xylidine

428

Zinc & Compounds

429

Zirconium & Compounds