Products

Benzenesulfonic acid derivatives 

Product Name
4B acid
Chemical Name
2-Amino-5-methylbenzenesulfonic acid
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Note
Molecular Formula C7H9NO3S
Molecular Weight 187.2
CAS No. 88-44-8  
MITI 3-1978
TSCA reg.
EC 201-831-3
Specifications
Appearance Pale brown powder
Purity 98.0% min.
Moisture 0.5% max.
Melting Point --
Packing
Paper Bag 25kg
Product Name
4B acid (technical)
Chemical Name
2-Amino-5-methylbenzenesulfonic acid
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Note
Molecular Formula C7H9NO3S  
Molecular Weight 187.2  
CAS No. 88-44-8
MITI 3-1978
TSCA reg.
EC 201-831-3
Specifications
Appearance Gray powder
Purity 98.0% min.
Moisture --
Melting Point --
Packing
Paper Bag 20kg
Product Name
PTOS
Chemical Name
5-Amino-2-methylbenzenesulfonic acid
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Note
Molecular Formula C7H9NO3S
Molecular Weight 187.2  
CAS No. 118-88-7
MITI 3-1978
TSCA reg.
EC 204-282-8
Specifications
Appearance Yellowish brown crystalline powder
Purity 88.0% min.
Moisture --
Melting Point --
Packing
Paper Bag 20kg ・ 40LBS
Product Name
OT5S
Chemical Name
Sodium=4-Amino-3-methylbenzene-sulfonate
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Note
Molecular Formula C7H9NNaO3S
Molecular Weight 281.3
CAS No. 63450-43-1
MITI 3-1979
TSCA --
EC 264-172-0
Specifications
Appearance Pale brown powder
Purity dry 98.0% min. (4H2O)
Moisture --
Melting Point --
Packing
Paper Bag 20kg
Product Name
MT4S
Chemical Name
4-Amino-2-methylbenzenesulfonic acid
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Note
Molecular Formula C7H9NO3S
Molecular Weight 187.2
CAS No. 133-78-8
MITI 3-1978
TSCA --
EC 205-120-9
Specifications
Appearance Off-white to tan powder
Purity 98.0% min.
Moisture --
Melting Point --
Packing
Paper Bag 20kg
Product Name
2B Acid sodium salt
Chemical Name
Sodium=2-Amino-4-chloro-5-methyl-benzenesulfonate
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Note
Molecular Formula C7H7ClNNaO3S
Molecular Weight 243.7
CAS No. 6627-59-4
MITI 3-2024
TSCA reg.
EC 229-596-2
Specifications
Appearance White crystalline powder
Purity 98.0% min.
Moisture 1.0% max.
Melting Point --
Packing
Paper Bag 25kg
Product Name
MX6S
Chemical Name
2-Amino-3,5-dimethylbenzenesulfonic acid
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Note
Molecular Formula C8H11NO3S
Molecular Weight 201.3
CAS No. 88-22-2
MITI 3-1984
TSCA reg.
EC 201-811-4
Specifications
Appearance Light brown powder
Purity 98.0% min.
Moisture 1.0% max.
Melting Point --
Packing
Paper Bag 20kg
Product Name
PCS
Chemical Name
5-Amino-2-chlorobenzenesulphonic acid
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Note
Molecular Formula C6H6ClNO3S
Molecular Weight 207.6
CAS No. 88-43-7
MITI 3-2019
TSCA reg.
EC 201-830-8
Specifications
Appearance White powder
Purity 98.0% min.
Moisture 1.0% max.
Melting Point --
Packing
Paper Bag 20kg
Product Name
Fast Red ITR Base
Chemical Name
3-Amino-N,N-diethyl-4-methoxybenzene-sulfonamide
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Note
Molecular Formula C11H18N2O3S
Molecular Weight 258.3
CAS No. 97-35-8
MITI 3-2038
TSCA reg.
EC 202-575-5
Specifications
Appearance Pinkish white crystalline powder
Purity 98.0% min.
Moisture --
Melting Point 101.0℃ min.
Packing
Paper Bag 20kg
Product Name
5-Sulfoanthranilic acid
Chemical Name
5-Sulfoanthranilic acid
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Note
Molecular Formula C7H7NO5S
Molecular Weight 217.2
CAS No. 3577-63-7
MITI 3-2119
TSCA reg.
EC 222-697-2
Specifications
Appearance White powder
Purity 98.0% min.
Moisture --
Melting Point --
Packing
Paper Bag 20kg
Product Name
3A4MS
Chemical Name
3-Amino-4-methoxybenzenesulfonic acid
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Note
Molecular Formula C7H9NO4S
Molecular Weight 203.2
CAS No. 98-42-0
MITI 3-2037
TSCA reg.
EC 202-667-5
Specifications
Appearance Pale brown powder
Purity 98.0% min.
Moisture --
Melting Point --
Packing
Paper Bag 20kg
Product Name
CDS
Chemical Name
Disodium=4,5-dihydroxybenzene-1,3-disulfonate
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Note
Molecular Formula C6H4Na2O8S2
Molecular Weight 332.2
CAS No. 149-45-1
MITI 3-3848
TSCA reg.
EC 205-741-5
Specifications
Appearance White to off-white crystalline powder
Purity 95.0% min.
Moisture 0.5% max.
Melting Point --
Packing
Paper Bag 20kg ・ 25kg
Carton Box 9kg
PE Drum 65kg
Product Name
HQSK
Chemical Name
Potassium=2,5-dihydroxybenzenesulfonate
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Note
Molecular Formula C6H5KO5S
Molecular Weight 228.2
CAS No. 21799-87-1
MITI 3-2017
TSCA reg.
EC 244-584-7
Specifications
Appearance White crystalline powder
Purity 98.0% min.
Moisture 0.5% max.
Melting Point 251.0℃ min.
Packing
Paper Bag 25kg
Big Bag
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