Asulam
Identification Number: CASRN | 3337-71-1

  Substance Attributes

• Neurotoxic Properties

  Negative impact on brain and nervous system.

• Metabolic Interference or Disruption

  Interferes with human metabolism. This can be a very serious thing. Some of these interference mechanics are well established. However, often long term effects and health consequences remain largely unknown. Additionally an emerging area of concern and one that is not currently studied, is the combined synergistic effects these metabolically disrupting chemicals have on human health.

  
  

  Metabolic interference happens when the substance produces highly reactive and often damaging intermediates during detoxification or when the substance binds to specific enzymes, important structural groups on molecules, receptors and membranes or targets DNA or mimics key nutrients.

• Exposure Produces Health Symptoms

  Symptoms maybe short term or long term depending on the exposure duration and intensity and effects areas like Cardiovascular, Gastrointestinal, Cognition, Fatigue. A substance with this attribute may cause an allergic skin reaction, serious eye irritation, allergy or asthma symptoms or breathing difficulties if inhaled.

These attributes are ONLY based on peer-reviewed evidence. See link to Data Sources below. Everyone benefits from knowing this stuff. Please Share.

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• CATEGORIES: Pesticide | Synthetic Toxin | PESTICIDE active ingredient | organic | herbicide | Pesticide or Plant Growth Regulator Approved in Australia
• SUBSTANCE LINEAGE: Organic Compounds | Benzenoids | Benzene and Substituted Derivatives | Benzenesulfonamides | Aminobenzenesulfonamides
• SYNONYMS: 4-Amino-benzolsulfonyl-methylcarbamat | Asilan | Asulfox f | Asulox | Asulox 40 | Asulox f | Carbamic acid | ((4-aminophenyl)sulfonyl)- | methyl ester | Carbamic acid | 4-aminobenzenesulfonyl- | methyl ester | Carbamic acid | sulfanilyl- | methyl ester | Carbamic acid | [(4-aminophenyl)sulfonyl]- | methyl ester | Caswell No. 062A | Jonnix | Methyl ((4-aminophenyl)sulfonyl)carbamate | Methyl 4-aminophenylsulphonyl carbamate | Methyl 4-aminophenylsulphonylcarbamate | Methyl N-(4-aminobenzenesulfonyl)carbamate | Methyl N-(4-aminophenyl)sulfonylcarbamate | Methyl N-(4-aminophenylsulfonyl)carbamate | Methyl p-aminobenzenesulfonylcarbamate | Methyl sulfanilyl carbamate | Methyl sulfanilylcarbamate | Methyl sulphanilylcarbamate | Methyl [(4-aminophenyl)sulfonyl]carbamate | N-1-Methoxycarbonylsulfanilamide | N1-Methoxycarbonylsulfanilamide | Plakin | sodium [(4-aminophenyl)sulfonyl](methoxycarbonyl)azanide
• DESCRIPTION: Carbamate pesticides are derived from carbamic acid and kill insects in a similar fashion as organophosphate insecticides. They are widely used in homes, gardens and agriculture. The first carbamate, carbaryl, was introduced in 1956 and more of it has been used throughout the world than all other carbamates combined. Because of carbaryl's relatively low mammalian oral and dermal toxicity and broad control spectrum, it has had wide use in lawn and garden settings. Most of the carbamates are extremely toxic to Hymenoptera, and precautions must be taken to avoid exposure to foraging bees or parasitic wasps. Some of the carbamates are translocated within plants, making them an effective systemic treatment. (L795)
• COMMENTS: Residues of this pesticide are tested for on Australian Foods | Pesticide approved in Australia
• 
• FORMULA: C8H10N2O4S
• DATA SOURCES: DATA SOURCES: T3DB | PubChem | Consolidated Pesticide Information Dataset (CPI) from the USA EPA | Compendium of Pesticide Common Names | APVMA
• LAST UPDATE: 28/04/2018

  Health Associations

Mostly focused on Health Implications of Long Term Exposure to this substance

• SYMPTOMS: As with organophosphates, the signs and symptoms are based on excessive cholinergic stimulation. Unlike organophosphate poisoning, carbamate poisonings tend to be of shorter duration because the inhibition of nervous tissue acetylcholinesterase is reversible, and carbamates are more rapidly metabolized. Muscle weakness, dizziness, sweating and slight body discomfort are commonly reported early symptoms. Headache, salivation, nausea, vomiting, abdominal pain and diarrhea are often prominent at higher levels of exposure. Contraction of the pupils with blurred vision, incoordination, muscle twitching and slurred speech have been reported. (L795)
• POSSIBLE HEALTH CONSEQUENCES: Acute exposure to cholinesterase inhibitors can cause a cholinergic crisis characterized by severe nausea/vomiting, salivation, sweating, bradycardia, hypotension, collapse, and convulsions. Increasing muscle weakness is a possibility and may result in death if respiratory muscles are involved. Accumulation of ACh at motor nerves causes overstimulation of nicotinic expression at the neuromuscular junction. When this occurs symptoms such as muscle weakness, fatigue, muscle cramps, fasciculation, and paralysis can be seen. When there is an accumulation of ACh at autonomic ganglia this causes overstimulation of nicotinic expression in the sympathetic system. Symptoms associated with this are hypertension, and hypoglycemia. Overstimulation of nicotinic acetylcholine receptors in the central nervous system, due to accumulation of ACh, results in anxiety, headache, convulsions, ataxia, depression of respiration and circulation, tremor, general weakness, and potentially coma. When there is expression of muscarinic overstimulation due to excess acetylcholine at muscarinic acetylcholine receptors symptoms of visual disturbances, tightness in chest, wheezing due to bronchoconstriction, increased bronchial secretions, increased salivation, lacrimation, sweating, peristalsis, and urination can occur. Certain reproductive effects in fertility, growth, and development for males and females have been linked specifically to organophosphate pesticide exposure. Most of the research on reproductive effects has been conducted on farmers working with pesticides and insecticdes in rural areas. In females menstrual cycle disturbances, longer pregnancies, spontaneous abortions, stillbirths, and some developmental effects in offspring have been linked to organophosphate pesticide exposure. Prenatal exposure has been linked to impaired fetal growth and development. Neurotoxic effects have also been linked to poisoning with OP pesticides causing four neurotoxic effects in humans: cholinergic syndrome, intermediate syndrome, organophosphate-induced delayed polyneuropathy (OPIDP), and chronic organophosphate-induced neuropsychiatric disorder (COPIND). These syndromes result after acute and chronic exposure to OP pesticides. | The carbamates are hydrolyzed enzymatically by the liver; degradation products are excreted by the kidneys and the liver. (L793)
• ACTION OF TOXIN: Asulam is a cholinesterase or acetylcholinesterase (AChE) inhibitor. A cholinesterase inhibitor (or 'anticholinesterase') suppresses the action of acetylcholinesterase. Because of its essential function, chemicals that interfere with the action of acetylcholinesterase are potent neurotoxins, causing excessive salivation and eye-watering in low doses, followed by muscle spasms and ultimately death. Nerve gases and many substances used in insecticides have been shown to act by binding a serine in the active site of acetylcholine esterase, inhibiting the enzyme completely. Acetylcholine esterase breaks down the neurotransmitter acetylcholine, which is released at nerve and muscle junctions, in order to allow the muscle or organ to relax. The result of acetylcholine esterase inhibition is that acetylcholine builds up and continues to act so that any nerve impulses are continually transmitted and muscle contractions do not stop. Among the most common acetylcholinesterase inhibitors are phosphorus-based compounds, which are designed to bind to the active site of the enzyme. The structural requirements are a phosphorus atom bearing two lipophilic groups, a leaving group (such as a halide or thiocyanate), and a terminal oxygen. | Like the organophosphates, their mode of action is inhibition of cholinesterase enzymes, affecting nerve impulse transmission. (L795)
• TOXIN SITES OF ACTION IN CELL: "Cytoplasm", "Extracellular"
• Additional Exposure Routes: This is a man-made compound that is used as a pesticide.

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